210778869

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4507}}^1$

素因数の和:4665

約数の個数: 32

約数和(自身を含む): 342752256

約数和(自身を除く): 131973387

約数列:

[1, 3, 7, 17, 21, 51, 119, 131, 357, 393, 917, 2227, 2751, 4507, 6681, 13521, 15589, 31549, 46767, 76619, 94647, 229857, 536333, 590417, 1608999, 1771251, 4132919, 10037089, 12398757, 30111267, 70259623, 210778869]

約数ペア:

[(1, 210778869), (3, 70259623), (7, 30111267), (17, 12398757), (21, 10037089), (51, 4132919), (119, 1771251), (131, 1608999), (357, 590417), (393, 536333), (917, 229857), (2227, 94647), (2751, 76619), (4507, 46767), (6681, 31549), (13521, 15589)]