28768155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4759}}^1$

素因数の和:4811

約数の個数: 32

約数和(自身を含む): 51179520

約数和(自身を除く): 22411365

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 4759, 6045, 14277, 23795, 61867, 71385, 147529, 185601, 309335, 442587, 737645, 928005, 1917877, 2212935, 5753631, 9589385, 28768155]

約数ペア:

[(1, 28768155), (3, 9589385), (5, 5753631), (13, 2212935), (15, 1917877), (31, 928005), (39, 737645), (65, 442587), (93, 309335), (155, 185601), (195, 147529), (403, 71385), (465, 61867), (1209, 23795), (2015, 14277), (4759, 6045)]