4021875

素因数分解:

$3^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 72

約数和(自身を含む): 8530704

約数和(自身を除く): 4508829

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 125, 143, 165, 195, 225, 275, 325, 375, 429, 495, 585, 625, 715, 825, 975, 1125, 1287, 1375, 1625, 1875, 2145, 2475, 2925, 3125, 3575, 4125, 4875, 5625, 6435, 6875, 8125, 9375, 10725, 12375, 14625, 17875, 20625, 24375, 28125, 32175, 34375, 40625, 53625, 61875, 73125, 89375, 103125, 121875, 160875, 268125, 309375, 365625, 446875, 804375, 1340625, 4021875]

約数ペア:

[(1, 4021875), (3, 1340625), (5, 804375), (9, 446875), (11, 365625), (13, 309375), (15, 268125), (25, 160875), (33, 121875), (39, 103125), (45, 89375), (55, 73125), (65, 61875), (75, 53625), (99, 40625), (117, 34375), (125, 32175), (143, 28125), (165, 24375), (195, 20625), (225, 17875), (275, 14625), (325, 12375), (375, 10725), (429, 9375), (495, 8125), (585, 6875), (625, 6435), (715, 5625), (825, 4875), (975, 4125), (1125, 3575), (1287, 3125), (1375, 2925), (1625, 2475), (1875, 2145)]