1213507005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1\times {\mathrm{2383}}^1$

素因数の和:4405

約数の個数: 32

約数和(自身を含む): 2057716224

約数和(自身を除く): 844209219

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1997, 2383, 5991, 7149, 9985, 11915, 29955, 33949, 35745, 40511, 101847, 121533, 169745, 202555, 509235, 607665, 4758851, 14276553, 23794255, 71382765, 80900467, 242701401, 404502335, 1213507005]

約数ペア:

[(1, 1213507005), (3, 404502335), (5, 242701401), (15, 80900467), (17, 71382765), (51, 23794255), (85, 14276553), (255, 4758851), (1997, 607665), (2383, 509235), (5991, 202555), (7149, 169745), (9985, 121533), (11915, 101847), (29955, 40511), (33949, 35745)]