71491875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 146952960

約数和(自身を除く): 75461085

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 175, 195, 273, 325, 375, 419, 455, 525, 625, 875, 975, 1257, 1365, 1625, 1875, 2095, 2275, 2625, 2933, 4375, 4875, 5447, 6285, 6825, 8125, 8799, 10475, 11375, 13125, 14665, 16341, 24375, 27235, 31425, 34125, 38129, 43995, 52375, 56875, 73325, 81705, 114387, 136175, 157125, 170625, 190645, 219975, 261875, 366625, 408525, 571935, 680875, 785625, 953225, 1099875, 1833125, 2042625, 2859675, 3404375, 4766125, 5499375, 10213125, 14298375, 23830625, 71491875]

約数ペア:

[(1, 71491875), (3, 23830625), (5, 14298375), (7, 10213125), (13, 5499375), (15, 4766125), (21, 3404375), (25, 2859675), (35, 2042625), (39, 1833125), (65, 1099875), (75, 953225), (91, 785625), (105, 680875), (125, 571935), (175, 408525), (195, 366625), (273, 261875), (325, 219975), (375, 190645), (419, 170625), (455, 157125), (525, 136175), (625, 114387), (875, 81705), (975, 73325), (1257, 56875), (1365, 52375), (1625, 43995), (1875, 38129), (2095, 34125), (2275, 31425), (2625, 27235), (2933, 24375), (4375, 16341), (4875, 14665), (5447, 13125), (6285, 11375), (6825, 10475), (8125, 8799)]