639273609

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{69163}}^1$

素因数の和:69261

約数の個数: 24

約数和(自身を含む): 1007027840

約数和(自身を除く): 367754231

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 3081, 9243, 69163, 207489, 622467, 899119, 2697357, 5463877, 8092071, 16391631, 49174893, 71030401, 213091203, 639273609]

約数ペア:

[(1, 639273609), (3, 213091203), (9, 71030401), (13, 49174893), (39, 16391631), (79, 8092071), (117, 5463877), (237, 2697357), (711, 899119), (1027, 622467), (3081, 207489), (9243, 69163)]