28673853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 43717632

約数和(自身を除く): 15043779

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 481, 641, 1147, 1209, 1443, 1923, 3441, 8333, 14911, 19871, 23717, 24999, 44733, 59613, 71151, 258323, 308321, 735227, 774969, 924963, 2205681, 9557951, 28673853]

約数ペア:

[(1, 28673853), (3, 9557951), (13, 2205681), (31, 924963), (37, 774969), (39, 735227), (93, 308321), (111, 258323), (403, 71151), (481, 59613), (641, 44733), (1147, 24999), (1209, 23717), (1443, 19871), (1923, 14911), (3441, 8333)]