915915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 64

約数和(自身を含む): 1999872

約数和(自身を除く): 1083957

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 61, 65, 77, 91, 105, 143, 165, 183, 195, 231, 273, 305, 385, 427, 429, 455, 671, 715, 793, 915, 1001, 1155, 1281, 1365, 2013, 2135, 2145, 2379, 3003, 3355, 3965, 4697, 5005, 5551, 6405, 8723, 10065, 11895, 14091, 15015, 16653, 23485, 26169, 27755, 43615, 61061, 70455, 83265, 130845, 183183, 305305, 915915]

約数ペア:

[(1, 915915), (3, 305305), (5, 183183), (7, 130845), (11, 83265), (13, 70455), (15, 61061), (21, 43615), (33, 27755), (35, 26169), (39, 23485), (55, 16653), (61, 15015), (65, 14091), (77, 11895), (91, 10065), (105, 8723), (143, 6405), (165, 5551), (183, 5005), (195, 4697), (231, 3965), (273, 3355), (305, 3003), (385, 2379), (427, 2145), (429, 2135), (455, 2013), (671, 1365), (715, 1281), (793, 1155), (915, 1001)]