8019375

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 16794624

約数和(自身を除く): 8775249

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 47, 65, 75, 91, 105, 125, 141, 175, 195, 235, 273, 325, 329, 375, 455, 525, 611, 625, 705, 875, 975, 987, 1175, 1365, 1625, 1645, 1833, 1875, 2275, 2625, 3055, 3525, 4277, 4375, 4875, 4935, 5875, 6825, 8125, 8225, 9165, 11375, 12831, 13125, 15275, 17625, 21385, 24375, 24675, 29375, 34125, 41125, 45825, 56875, 64155, 76375, 88125, 106925, 123375, 170625, 205625, 229125, 320775, 381875, 534625, 616875, 1145625, 1603875, 2673125, 8019375]

約数ペア:

[(1, 8019375), (3, 2673125), (5, 1603875), (7, 1145625), (13, 616875), (15, 534625), (21, 381875), (25, 320775), (35, 229125), (39, 205625), (47, 170625), (65, 123375), (75, 106925), (91, 88125), (105, 76375), (125, 64155), (141, 56875), (175, 45825), (195, 41125), (235, 34125), (273, 29375), (325, 24675), (329, 24375), (375, 21385), (455, 17625), (525, 15275), (611, 13125), (625, 12831), (705, 11375), (875, 9165), (975, 8225), (987, 8125), (1175, 6825), (1365, 5875), (1625, 4935), (1645, 4875), (1833, 4375), (1875, 4277), (2275, 3525), (2625, 3055)]