64838709

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:986

約数の個数: 36

約数和(自身を含む): 103686336

約数和(自身を除く): 38847627

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 169, 423, 507, 611, 907, 1521, 1833, 2721, 5499, 7943, 8163, 11791, 23829, 35373, 42629, 71487, 106119, 127887, 153283, 383661, 459849, 554177, 1379547, 1662531, 4987593, 7204301, 21612903, 64838709]

約数ペア:

[(1, 64838709), (3, 21612903), (9, 7204301), (13, 4987593), (39, 1662531), (47, 1379547), (117, 554177), (141, 459849), (169, 383661), (423, 153283), (507, 127887), (611, 106119), (907, 71487), (1521, 42629), (1833, 35373), (2721, 23829), (5499, 11791), (7943, 8163)]