219149715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8379

約数の個数: 32

約数和(自身を含む): 367589376

約数和(自身を除く): 148439661

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 1763, 5289, 8287, 8815, 24861, 26445, 41435, 124305, 339767, 356341, 1019301, 1069023, 1698835, 1781705, 5096505, 5345115, 14609981, 43829943, 73049905, 219149715]

約数ペア:

[(1, 219149715), (3, 73049905), (5, 43829943), (15, 14609981), (41, 5345115), (43, 5096505), (123, 1781705), (129, 1698835), (205, 1069023), (215, 1019301), (615, 356341), (645, 339767), (1763, 124305), (5289, 41435), (8287, 26445), (8815, 24861)]