242490423

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 378556416

約数和(自身を除く): 136065993

約数列:

[1, 3, 7, 21, 53, 159, 223, 371, 669, 977, 1113, 1561, 2931, 4683, 6839, 11819, 20517, 35457, 51781, 82733, 155343, 217871, 248199, 362467, 653613, 1087401, 1525097, 4575291, 11547163, 34641489, 80830141, 242490423]

約数ペア:

[(1, 242490423), (3, 80830141), (7, 34641489), (21, 11547163), (53, 4575291), (159, 1525097), (223, 1087401), (371, 653613), (669, 362467), (977, 248199), (1113, 217871), (1561, 155343), (2931, 82733), (4683, 51781), (6839, 35457), (11819, 20517)]