128477895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 257316864

約数和(自身を除く): 128838969

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 273, 305, 427, 455, 793, 915, 1281, 1365, 1543, 2135, 2379, 3965, 4629, 5551, 6405, 7715, 10801, 11895, 16653, 20059, 23145, 27755, 32403, 54005, 60177, 83265, 94123, 100295, 140413, 162015, 282369, 300885, 421239, 470615, 658861, 702065, 1223599, 1411845, 1976583, 2106195, 3294305, 3670797, 6117995, 8565193, 9882915, 18353985, 25695579, 42825965, 128477895]

約数ペア:

[(1, 128477895), (3, 42825965), (5, 25695579), (7, 18353985), (13, 9882915), (15, 8565193), (21, 6117995), (35, 3670797), (39, 3294305), (61, 2106195), (65, 1976583), (91, 1411845), (105, 1223599), (183, 702065), (195, 658861), (273, 470615), (305, 421239), (427, 300885), (455, 282369), (793, 162015), (915, 140413), (1281, 100295), (1365, 94123), (1543, 83265), (2135, 60177), (2379, 54005), (3965, 32403), (4629, 27755), (5551, 23145), (6405, 20059), (7715, 16653), (10801, 11895)]