31169025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 61513920

約数和(自身を除く): 30344895

約数列:

[1, 3, 5, 9, 15, 19, 23, 25, 45, 57, 69, 75, 95, 115, 171, 207, 225, 285, 317, 345, 437, 475, 575, 855, 951, 1035, 1311, 1425, 1585, 1725, 2185, 2853, 3933, 4275, 4755, 5175, 6023, 6555, 7291, 7925, 10925, 14265, 18069, 19665, 21873, 23775, 30115, 32775, 36455, 54207, 65619, 71325, 90345, 98325, 109365, 138529, 150575, 182275, 271035, 328095, 415587, 451725, 546825, 692645, 1246761, 1355175, 1640475, 2077935, 3463225, 6233805, 10389675, 31169025]

約数ペア:

[(1, 31169025), (3, 10389675), (5, 6233805), (9, 3463225), (15, 2077935), (19, 1640475), (23, 1355175), (25, 1246761), (45, 692645), (57, 546825), (69, 451725), (75, 415587), (95, 328095), (115, 271035), (171, 182275), (207, 150575), (225, 138529), (285, 109365), (317, 98325), (345, 90345), (437, 71325), (475, 65619), (575, 54207), (855, 36455), (951, 32775), (1035, 30115), (1311, 23775), (1425, 21873), (1585, 19665), (1725, 18069), (2185, 14265), (2853, 10925), (3933, 7925), (4275, 7291), (4755, 6555), (5175, 6023)]