87970725

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2531

約数の個数: 48

約数和(自身を含む): 164721600

約数和(自身を除く): 76750875

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 2385, 2459, 3975, 7155, 7377, 11925, 12295, 22131, 35775, 36885, 61475, 66393, 110655, 130327, 184425, 331965, 390981, 553275, 651635, 1172943, 1659825, 1954905, 3258175, 3518829, 5864715, 9774525, 17594145, 29323575, 87970725]

約数ペア:

[(1, 87970725), (3, 29323575), (5, 17594145), (9, 9774525), (15, 5864715), (25, 3518829), (27, 3258175), (45, 1954905), (53, 1659825), (75, 1172943), (135, 651635), (159, 553275), (225, 390981), (265, 331965), (477, 184425), (675, 130327), (795, 110655), (1325, 66393), (1431, 61475), (2385, 36885), (2459, 35775), (3975, 22131), (7155, 12295), (7377, 11925)]