77691921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 114306048

約数和(自身を除く): 36614127

約数列:

[1, 3, 17, 31, 51, 93, 157, 313, 471, 527, 939, 1581, 2669, 4867, 5321, 8007, 9703, 14601, 15963, 29109, 49141, 82739, 147423, 164951, 248217, 494853, 835397, 1523371, 2506191, 4570113, 25897307, 77691921]

約数ペア:

[(1, 77691921), (3, 25897307), (17, 4570113), (31, 2506191), (51, 1523371), (93, 835397), (157, 494853), (313, 248217), (471, 164951), (527, 147423), (939, 82739), (1581, 49141), (2669, 29109), (4867, 15963), (5321, 14601), (8007, 9703)]