28636545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1461

約数の個数: 32

約数和(自身を含む): 52641792

約数和(自身を除く): 24005247

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 1115, 1223, 1561, 3345, 3669, 4683, 6115, 7805, 8561, 18345, 23415, 25683, 42805, 128415, 272729, 818187, 1363645, 1909103, 4090935, 5727309, 9545515, 28636545]

約数ペア:

[(1, 28636545), (3, 9545515), (5, 5727309), (7, 4090935), (15, 1909103), (21, 1363645), (35, 818187), (105, 272729), (223, 128415), (669, 42805), (1115, 25683), (1223, 23415), (1561, 18345), (3345, 8561), (3669, 7805), (4683, 6115)]