71659665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20681}}^1$

素因数の和:20710

約数の個数: 48

約数和(自身を含む): 154866816

約数和(自身を除く): 83207151

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 3465, 20681, 62043, 103405, 144767, 186129, 227491, 310215, 434301, 682473, 723835, 930645, 1137455, 1302903, 1592437, 2047419, 2171505, 3412365, 4777311, 6514515, 7962185, 10237095, 14331933, 23886555, 71659665]

約数ペア:

[(1, 71659665), (3, 23886555), (5, 14331933), (7, 10237095), (9, 7962185), (11, 6514515), (15, 4777311), (21, 3412365), (33, 2171505), (35, 2047419), (45, 1592437), (55, 1302903), (63, 1137455), (77, 930645), (99, 723835), (105, 682473), (165, 434301), (231, 310215), (315, 227491), (385, 186129), (495, 144767), (693, 103405), (1155, 62043), (3465, 20681)]