227512215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1471}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 451915776

約数和(自身を除く): 224403561

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 491, 1471, 1473, 2455, 3437, 4413, 4419, 7355, 7365, 10297, 10311, 13239, 17185, 22065, 22095, 30891, 30933, 51485, 51555, 66195, 92673, 154455, 154665, 463365, 722261, 2166783, 3611305, 5055827, 6500349, 10833915, 15167481, 25279135, 32501745, 45502443, 75837405, 227512215]

約数ペア:

[(1, 227512215), (3, 75837405), (5, 45502443), (7, 32501745), (9, 25279135), (15, 15167481), (21, 10833915), (35, 6500349), (45, 5055827), (63, 3611305), (105, 2166783), (315, 722261), (491, 463365), (1471, 154665), (1473, 154455), (2455, 92673), (3437, 66195), (4413, 51555), (4419, 51485), (7355, 30933), (7365, 30891), (10297, 22095), (10311, 22065), (13239, 17185)]