25377885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 49330944

約数和(自身を除く): 23953059

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 71, 117, 141, 169, 195, 213, 235, 355, 423, 507, 585, 611, 639, 705, 845, 923, 1065, 1521, 1833, 2115, 2535, 2769, 3055, 3195, 3337, 4615, 5499, 7605, 7943, 8307, 9165, 10011, 11999, 13845, 16685, 23829, 27495, 30033, 35997, 39715, 41535, 43381, 50055, 59995, 71487, 107991, 119145, 130143, 150165, 179985, 216905, 357435, 390429, 539955, 563953, 650715, 1691859, 1952145, 2819765, 5075577, 8459295, 25377885]

約数ペア:

[(1, 25377885), (3, 8459295), (5, 5075577), (9, 2819765), (13, 1952145), (15, 1691859), (39, 650715), (45, 563953), (47, 539955), (65, 390429), (71, 357435), (117, 216905), (141, 179985), (169, 150165), (195, 130143), (213, 119145), (235, 107991), (355, 71487), (423, 59995), (507, 50055), (585, 43381), (611, 41535), (639, 39715), (705, 35997), (845, 30033), (923, 27495), (1065, 23829), (1521, 16685), (1833, 13845), (2115, 11999), (2535, 10011), (2769, 9165), (3055, 8307), (3195, 7943), (3337, 7605), (4615, 5499)]