2851875

素因数分解:

$3^3\times 5^4\times {\mathrm{13}}^2$

素因数の和:55

約数の個数: 60

約数和(自身を含む): 5716920

約数和(自身を除く): 2865045

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 169, 195, 225, 325, 351, 375, 507, 585, 625, 675, 845, 975, 1125, 1521, 1625, 1755, 1875, 2535, 2925, 3375, 4225, 4563, 4875, 5625, 7605, 8125, 8775, 12675, 14625, 16875, 21125, 22815, 24375, 38025, 43875, 63375, 73125, 105625, 114075, 190125, 219375, 316875, 570375, 950625, 2851875]

約数ペア:

[(1, 2851875), (3, 950625), (5, 570375), (9, 316875), (13, 219375), (15, 190125), (25, 114075), (27, 105625), (39, 73125), (45, 63375), (65, 43875), (75, 38025), (117, 24375), (125, 22815), (135, 21125), (169, 16875), (195, 14625), (225, 12675), (325, 8775), (351, 8125), (375, 7605), (507, 5625), (585, 4875), (625, 4563), (675, 4225), (845, 3375), (975, 2925), (1125, 2535), (1521, 1875), (1625, 1755)]