27172145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 17824975

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 89, 91, 143, 305, 385, 427, 445, 455, 623, 671, 715, 793, 979, 1001, 1157, 2135, 3115, 3355, 3965, 4697, 4895, 5005, 5429, 5551, 5785, 6853, 8099, 8723, 12727, 23485, 27145, 27755, 34265, 38003, 40495, 43615, 59719, 61061, 63635, 70577, 89089, 190015, 298595, 305305, 352885, 418033, 445445, 494039, 776347, 2090165, 2470195, 3881735, 5434429, 27172145]

約数ペア:

[(1, 27172145), (5, 5434429), (7, 3881735), (11, 2470195), (13, 2090165), (35, 776347), (55, 494039), (61, 445445), (65, 418033), (77, 352885), (89, 305305), (91, 298595), (143, 190015), (305, 89089), (385, 70577), (427, 63635), (445, 61061), (455, 59719), (623, 43615), (671, 40495), (715, 38003), (793, 34265), (979, 27755), (1001, 27145), (1157, 23485), (2135, 12727), (3115, 8723), (3355, 8099), (3965, 6853), (4697, 5785), (4895, 5551), (5005, 5429)]