4509375

素因数分解:

$3^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 8311968

約数和(自身を除く): 3802593

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 125, 185, 195, 325, 375, 481, 555, 625, 925, 975, 1443, 1625, 1875, 2405, 2775, 3125, 4625, 4875, 7215, 8125, 9375, 12025, 13875, 23125, 24375, 36075, 40625, 60125, 69375, 115625, 121875, 180375, 300625, 346875, 901875, 1503125, 4509375]

約数ペア:

[(1, 4509375), (3, 1503125), (5, 901875), (13, 346875), (15, 300625), (25, 180375), (37, 121875), (39, 115625), (65, 69375), (75, 60125), (111, 40625), (125, 36075), (185, 24375), (195, 23125), (325, 13875), (375, 12025), (481, 9375), (555, 8125), (625, 7215), (925, 4875), (975, 4625), (1443, 3125), (1625, 2775), (1875, 2405)]