216158691

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{10711}}^1$

素因数の和:10783

約数の個数: 24

約数和(自身を含む): 340384512

約数和(自身を除く): 124225821

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 10711, 20181, 32133, 74977, 224931, 332041, 996123, 2324287, 6972861, 10293271, 30879813, 72052897, 216158691]

約数ペア:

[(1, 216158691), (3, 72052897), (7, 30879813), (21, 10293271), (31, 6972861), (93, 2324287), (217, 996123), (651, 332041), (961, 224931), (2883, 74977), (6727, 32133), (10711, 20181)]