76528557

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1901}}^1$

素因数の和:1991

約数の個数: 40

約数和(自身を含む): 132561792

約数和(自身を除く): 56033235

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1901, 1917, 4473, 5703, 5751, 13307, 13419, 17109, 39921, 40257, 51327, 119763, 134971, 153981, 359289, 404913, 944797, 1077867, 1214739, 2834391, 3644217, 8503173, 10932651, 25509519, 76528557]

約数ペア:

[(1, 76528557), (3, 25509519), (7, 10932651), (9, 8503173), (21, 3644217), (27, 2834391), (63, 1214739), (71, 1077867), (81, 944797), (189, 404913), (213, 359289), (497, 153981), (567, 134971), (639, 119763), (1491, 51327), (1901, 40257), (1917, 39921), (4473, 17109), (5703, 13419), (5751, 13307)]