31427571

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 48956160

約数和(自身を除く): 17528589

約数列:

[1, 3, 7, 21, 49, 147, 439, 487, 1317, 1461, 3073, 3409, 9219, 10227, 21511, 23863, 64533, 71589, 213793, 641379, 1496551, 4489653, 10475857, 31427571]

約数ペア:

[(1, 31427571), (3, 10475857), (7, 4489653), (21, 1496551), (49, 641379), (147, 213793), (439, 71589), (487, 64533), (1317, 23863), (1461, 21511), (3073, 10227), (3409, 9219)]