28655445

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2999}}^1$

素因数の和:3034

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 28800555

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2999, 3185, 8997, 9555, 14995, 20993, 38987, 44985, 62979, 104965, 116961, 146951, 194935, 272909, 314895, 440853, 584805, 734755, 818727, 1364545, 1910363, 2204265, 4093635, 5731089, 9551815, 28655445]

約数ペア:

[(1, 28655445), (3, 9551815), (5, 5731089), (7, 4093635), (13, 2204265), (15, 1910363), (21, 1364545), (35, 818727), (39, 734755), (49, 584805), (65, 440853), (91, 314895), (105, 272909), (147, 194935), (195, 146951), (245, 116961), (273, 104965), (455, 62979), (637, 44985), (735, 38987), (1365, 20993), (1911, 14995), (2999, 9555), (3185, 8997)]