28819725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 52538304

約数和(自身を除く): 23718579

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 181, 193, 275, 543, 579, 825, 905, 965, 1991, 2123, 2715, 2895, 4525, 4825, 5973, 6369, 9955, 10615, 13575, 14475, 29865, 31845, 34933, 49775, 53075, 104799, 149325, 159225, 174665, 384263, 523995, 873325, 1152789, 1921315, 2619975, 5763945, 9606575, 28819725]

約数ペア:

[(1, 28819725), (3, 9606575), (5, 5763945), (11, 2619975), (15, 1921315), (25, 1152789), (33, 873325), (55, 523995), (75, 384263), (165, 174665), (181, 159225), (193, 149325), (275, 104799), (543, 53075), (579, 49775), (825, 34933), (905, 31845), (965, 29865), (1991, 14475), (2123, 13575), (2715, 10615), (2895, 9955), (4525, 6369), (4825, 5973)]