211370327

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 257359872

約数和(自身を除く): 45989545

約数列:

[1, 7, 43, 47, 67, 223, 301, 329, 469, 1561, 2021, 2881, 3149, 9589, 10481, 14147, 14941, 20167, 22043, 67123, 73367, 104587, 135407, 450683, 642463, 702227, 947849, 3154781, 4497241, 4915589, 30195761, 211370327]

約数ペア:

[(1, 211370327), (7, 30195761), (43, 4915589), (47, 4497241), (67, 3154781), (223, 947849), (301, 702227), (329, 642463), (469, 450683), (1561, 135407), (2021, 104587), (2881, 73367), (3149, 67123), (9589, 22043), (10481, 20167), (14147, 14941)]