645132723

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 905256960

約数和(自身を除く): 260124237

約数列:

[1, 3, 31, 79, 93, 237, 277, 317, 831, 951, 2449, 7347, 8587, 9827, 21883, 25043, 25761, 29481, 65649, 75129, 87809, 263427, 678373, 776333, 2035119, 2328999, 2722079, 6936911, 8166237, 20810733, 215044241, 645132723]

約数ペア:

[(1, 645132723), (3, 215044241), (31, 20810733), (79, 8166237), (93, 6936911), (237, 2722079), (277, 2328999), (317, 2035119), (831, 776333), (951, 678373), (2449, 263427), (7347, 87809), (8587, 75129), (9827, 65649), (21883, 29481), (25043, 25761)]