71789907

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 112076800

約数和(自身を除く): 40286893

約数列:

[1, 3, 7, 21, 79, 109, 237, 327, 397, 553, 763, 1191, 1659, 2289, 2779, 8337, 8611, 25833, 31363, 43273, 60277, 94089, 129819, 180831, 219541, 302911, 658623, 908733, 3418567, 10255701, 23929969, 71789907]

約数ペア:

[(1, 71789907), (3, 23929969), (7, 10255701), (21, 3418567), (79, 908733), (109, 658623), (237, 302911), (327, 219541), (397, 180831), (553, 129819), (763, 94089), (1191, 60277), (1659, 43273), (2289, 31363), (2779, 25833), (8337, 8611)]