240647565

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{733}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 395303040

約数和(自身を除く): 154655475

約数列:

[1, 3, 5, 15, 43, 129, 215, 509, 645, 733, 1527, 2199, 2545, 3665, 7635, 10995, 21887, 31519, 65661, 94557, 109435, 157595, 328305, 373097, 472785, 1119291, 1865485, 5596455, 16043171, 48129513, 80215855, 240647565]

約数ペア:

[(1, 240647565), (3, 80215855), (5, 48129513), (15, 16043171), (43, 5596455), (129, 1865485), (215, 1119291), (509, 472785), (645, 373097), (733, 328305), (1527, 157595), (2199, 109435), (2545, 94557), (3665, 65661), (7635, 31519), (10995, 21887)]