31929975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 75828480

約数和(自身を除く): 43898505

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 25, 33, 35, 45, 55, 57, 63, 75, 77, 95, 97, 99, 105, 133, 165, 171, 175, 209, 225, 231, 275, 285, 291, 315, 385, 399, 475, 485, 495, 525, 627, 665, 679, 693, 825, 855, 873, 1045, 1067, 1155, 1197, 1425, 1455, 1463, 1575, 1843, 1881, 1925, 1995, 2037, 2425, 2475, 3135, 3201, 3325, 3395, 3465, 4275, 4365, 4389, 5225, 5335, 5529, 5775, 5985, 6111, 7275, 7315, 7469, 9215, 9405, 9603, 9975, 10185, 12901, 13167, 15675, 16005, 16587, 16975, 17325, 20273, 21825, 21945, 22407, 26675, 27645, 29925, 30555, 36575, 37345, 38703, 46075, 47025, 48015, 50925, 60819, 64505, 65835, 67221, 80025, 82935, 101365, 109725, 112035, 116109, 138225, 141911, 152775, 182457, 186725, 193515, 240075, 304095, 322525, 329175, 336105, 414675, 425733, 506825, 560175, 580545, 709555, 912285, 967575, 1277199, 1520475, 1680525, 2128665, 2902725, 3547775, 4561425, 6385995, 10643325, 31929975]

約数ペア:

[(1, 31929975), (3, 10643325), (5, 6385995), (7, 4561425), (9, 3547775), (11, 2902725), (15, 2128665), (19, 1680525), (21, 1520475), (25, 1277199), (33, 967575), (35, 912285), (45, 709555), (55, 580545), (57, 560175), (63, 506825), (75, 425733), (77, 414675), (95, 336105), (97, 329175), (99, 322525), (105, 304095), (133, 240075), (165, 193515), (171, 186725), (175, 182457), (209, 152775), (225, 141911), (231, 138225), (275, 116109), (285, 112035), (291, 109725), (315, 101365), (385, 82935), (399, 80025), (475, 67221), (485, 65835), (495, 64505), (525, 60819), (627, 50925), (665, 48015), (679, 47025), (693, 46075), (825, 38703), (855, 37345), (873, 36575), (1045, 30555), (1067, 29925), (1155, 27645), (1197, 26675), (1425, 22407), (1455, 21945), (1463, 21825), (1575, 20273), (1843, 17325), (1881, 16975), (1925, 16587), (1995, 16005), (2037, 15675), (2425, 13167), (2475, 12901), (3135, 10185), (3201, 9975), (3325, 9603), (3395, 9405), (3465, 9215), (4275, 7469), (4365, 7315), (4389, 7275), (5225, 6111), (5335, 5985), (5529, 5775)]