31273515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 67970448

約数和(自身を除く): 36696933

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 441, 455, 585, 637, 735, 819, 1091, 1365, 1911, 2205, 3185, 3273, 4095, 5455, 5733, 7637, 9555, 9819, 14183, 16365, 22911, 28665, 38185, 42549, 49095, 53459, 68733, 70915, 99281, 114555, 127647, 160377, 212745, 267295, 297843, 343665, 481131, 496405, 638235, 694967, 801885, 893529, 1489215, 2084901, 2405655, 3474835, 4467645, 6254703, 10424505, 31273515]

約数ペア:

[(1, 31273515), (3, 10424505), (5, 6254703), (7, 4467645), (9, 3474835), (13, 2405655), (15, 2084901), (21, 1489215), (35, 893529), (39, 801885), (45, 694967), (49, 638235), (63, 496405), (65, 481131), (91, 343665), (105, 297843), (117, 267295), (147, 212745), (195, 160377), (245, 127647), (273, 114555), (315, 99281), (441, 70915), (455, 68733), (585, 53459), (637, 49095), (735, 42549), (819, 38185), (1091, 28665), (1365, 22911), (1911, 16365), (2205, 14183), (3185, 9819), (3273, 9555), (4095, 7637), (5455, 5733)]