220459197

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4639}}^1$

素因数の和:4753

約数の個数: 32

約数和(自身を含む): 351600640

約数和(自身を除く): 131141443

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 651, 1533, 2263, 4639, 6789, 13917, 15841, 32473, 47523, 97419, 143809, 338647, 431427, 1006663, 1015941, 2370529, 3019989, 7111587, 10498057, 31494171, 73486399, 220459197]

約数ペア:

[(1, 220459197), (3, 73486399), (7, 31494171), (21, 10498057), (31, 7111587), (73, 3019989), (93, 2370529), (217, 1015941), (219, 1006663), (511, 431427), (651, 338647), (1533, 143809), (2263, 97419), (4639, 47523), (6789, 32473), (13917, 15841)]