3968965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 6535296

約数和(自身を除く): 2566331

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 91, 143, 169, 305, 385, 427, 455, 671, 715, 793, 845, 1001, 1183, 1859, 2135, 3355, 3965, 4697, 5005, 5551, 5915, 8723, 9295, 10309, 13013, 23485, 27755, 43615, 51545, 61061, 65065, 72163, 113399, 305305, 360815, 566995, 793793, 3968965]

約数ペア:

[(1, 3968965), (5, 793793), (7, 566995), (11, 360815), (13, 305305), (35, 113399), (55, 72163), (61, 65065), (65, 61061), (77, 51545), (91, 43615), (143, 27755), (169, 23485), (305, 13013), (385, 10309), (427, 9295), (455, 8723), (671, 5915), (715, 5551), (793, 5005), (845, 4697), (1001, 3965), (1183, 3355), (1859, 2135)]