687375

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 1362816

約数和(自身を除く): 675441

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 65, 75, 117, 125, 141, 195, 225, 235, 325, 375, 423, 585, 611, 705, 975, 1125, 1175, 1625, 1833, 2115, 2925, 3055, 3525, 4875, 5499, 5875, 9165, 10575, 14625, 15275, 17625, 27495, 45825, 52875, 76375, 137475, 229125, 687375]

約数ペア:

[(1, 687375), (3, 229125), (5, 137475), (9, 76375), (13, 52875), (15, 45825), (25, 27495), (39, 17625), (45, 15275), (47, 14625), (65, 10575), (75, 9165), (117, 5875), (125, 5499), (141, 4875), (195, 3525), (225, 3055), (235, 2925), (325, 2115), (375, 1833), (423, 1625), (585, 1175), (611, 1125), (705, 975)]