164040915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 270141696

約数和(自身を除く): 106100781

約数列:

[1, 3, 5, 15, 43, 129, 197, 215, 591, 645, 985, 1291, 2955, 3873, 6455, 8471, 19365, 25413, 42355, 55513, 127065, 166539, 254327, 277565, 762981, 832695, 1271635, 3814905, 10936061, 32808183, 54680305, 164040915]

約数ペア:

[(1, 164040915), (3, 54680305), (5, 32808183), (15, 10936061), (43, 3814905), (129, 1271635), (197, 832695), (215, 762981), (591, 277565), (645, 254327), (985, 166539), (1291, 127065), (2955, 55513), (3873, 42355), (6455, 25413), (8471, 19365)]