212102445

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{659}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 348480000

約数和(自身を除く): 136377555

約数列:

[1, 3, 5, 15, 43, 129, 215, 499, 645, 659, 1497, 1977, 2495, 3295, 7485, 9885, 21457, 28337, 64371, 85011, 107285, 141685, 321855, 328841, 425055, 986523, 1644205, 4932615, 14140163, 42420489, 70700815, 212102445]

約数ペア:

[(1, 212102445), (3, 70700815), (5, 42420489), (15, 14140163), (43, 4932615), (129, 1644205), (215, 986523), (499, 425055), (645, 328841), (659, 321855), (1497, 141685), (1977, 107285), (2495, 85011), (3295, 64371), (7485, 28337), (9885, 21457)]