61329891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 105799680

約数和(自身を除く): 44469789

約数列:

[1, 3, 7, 19, 21, 23, 41, 57, 69, 123, 133, 161, 163, 287, 399, 437, 483, 489, 779, 861, 943, 1141, 1311, 2337, 2829, 3059, 3097, 3423, 3749, 5453, 6601, 6683, 9177, 9291, 11247, 16359, 17917, 19803, 20049, 21679, 26243, 46781, 53751, 65037, 71231, 78729, 125419, 126977, 140343, 153709, 213693, 376257, 380931, 461127, 498617, 888839, 1075963, 1495851, 2666517, 2920471, 3227889, 8761413, 20443297, 61329891]

約数ペア:

[(1, 61329891), (3, 20443297), (7, 8761413), (19, 3227889), (21, 2920471), (23, 2666517), (41, 1495851), (57, 1075963), (69, 888839), (123, 498617), (133, 461127), (161, 380931), (163, 376257), (287, 213693), (399, 153709), (437, 140343), (483, 126977), (489, 125419), (779, 78729), (861, 71231), (943, 65037), (1141, 53751), (1311, 46781), (2337, 26243), (2829, 21679), (3059, 20049), (3097, 19803), (3423, 17917), (3749, 16359), (5453, 11247), (6601, 9291), (6683, 9177)]