2771615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 4340736

約数和(自身を除く): 1569121

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 313, 385, 805, 1265, 1565, 1771, 2191, 3443, 7199, 8855, 10955, 17215, 24101, 35995, 50393, 79189, 120505, 251965, 395945, 554323, 2771615]

約数ペア:

[(1, 2771615), (5, 554323), (7, 395945), (11, 251965), (23, 120505), (35, 79189), (55, 50393), (77, 35995), (115, 24101), (161, 17215), (253, 10955), (313, 8855), (385, 7199), (805, 3443), (1265, 2191), (1565, 1771)]