64490769

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17959}}^1$

素因数の和:17994

約数の個数: 32

約数和(自身を含む): 114944000

約数和(自身を除く): 50453231

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 17959, 53877, 125713, 161631, 341221, 377139, 484893, 1023663, 1131417, 2388547, 3070989, 3394251, 7165641, 9212967, 21496923, 64490769]

約数ペア:

[(1, 64490769), (3, 21496923), (7, 9212967), (9, 7165641), (19, 3394251), (21, 3070989), (27, 2388547), (57, 1131417), (63, 1023663), (133, 484893), (171, 377139), (189, 341221), (399, 161631), (513, 125713), (1197, 53877), (3591, 17959)]