211312479

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 328978944

約数和(自身を除く): 117666465

約数列:

[1, 3, 7, 21, 61, 183, 293, 427, 563, 879, 1281, 1689, 2051, 3941, 6153, 11823, 17873, 34343, 53619, 103029, 125111, 164959, 240401, 375333, 494877, 721203, 1154713, 3464139, 10062499, 30187497, 70437493, 211312479]

約数ペア:

[(1, 211312479), (3, 70437493), (7, 30187497), (21, 10062499), (61, 3464139), (183, 1154713), (293, 721203), (427, 494877), (563, 375333), (879, 240401), (1281, 164959), (1689, 125111), (2051, 103029), (3941, 53619), (6153, 34343), (11823, 17873)]