287730378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1229617}}^1$

素因数の和:1229638

約数の個数: 24

約数和(自身を含む): 671371428

約数和(自身を除く): 383641050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1229617, 2459234, 3688851, 7377702, 11066553, 15985021, 22133106, 31970042, 47955063, 95910126, 143865189, 287730378]

約数ペア:

[(1, 287730378), (2, 143865189), (3, 95910126), (6, 47955063), (9, 31970042), (13, 22133106), (18, 15985021), (26, 11066553), (39, 7377702), (78, 3688851), (117, 2459234), (234, 1229617)]