9918915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 16644096

約数和(自身を除く): 6725181

約数列:

[1, 3, 5, 15, 31, 83, 93, 155, 249, 257, 415, 465, 771, 1245, 1285, 2573, 3855, 7719, 7967, 12865, 21331, 23901, 38595, 39835, 63993, 106655, 119505, 319965, 661261, 1983783, 3306305, 9918915]

約数ペア:

[(1, 9918915), (3, 3306305), (5, 1983783), (15, 661261), (31, 319965), (83, 119505), (93, 106655), (155, 63993), (249, 39835), (257, 38595), (415, 23901), (465, 21331), (771, 12865), (1245, 7967), (1285, 7719), (2573, 3855)]