71982645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 64874955

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 107, 129, 149, 215, 301, 321, 447, 535, 645, 745, 749, 903, 1043, 1505, 1605, 2235, 2247, 3129, 3745, 4515, 4601, 5215, 6407, 11235, 13803, 15645, 15943, 19221, 23005, 32035, 32207, 44849, 47829, 69015, 79715, 96105, 96621, 111601, 134547, 161035, 224245, 239145, 334803, 483105, 558005, 672735, 685549, 1674015, 2056647, 3427745, 4798843, 10283235, 14396529, 23994215, 71982645]

約数ペア:

[(1, 71982645), (3, 23994215), (5, 14396529), (7, 10283235), (15, 4798843), (21, 3427745), (35, 2056647), (43, 1674015), (105, 685549), (107, 672735), (129, 558005), (149, 483105), (215, 334803), (301, 239145), (321, 224245), (447, 161035), (535, 134547), (645, 111601), (745, 96621), (749, 96105), (903, 79715), (1043, 69015), (1505, 47829), (1605, 44849), (2235, 32207), (2247, 32035), (3129, 23005), (3745, 19221), (4515, 15943), (4601, 15645), (5215, 13803), (6407, 11235)]