28342215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 55351296

約数和(自身を除く): 27009081

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 1847, 3069, 5115, 5541, 9235, 15345, 16623, 20317, 27705, 57257, 60951, 83115, 101585, 171771, 182853, 286285, 304755, 515313, 629827, 858855, 914265, 1889481, 2576565, 3149135, 5668443, 9447405, 28342215]

約数ペア:

[(1, 28342215), (3, 9447405), (5, 5668443), (9, 3149135), (11, 2576565), (15, 1889481), (31, 914265), (33, 858855), (45, 629827), (55, 515313), (93, 304755), (99, 286285), (155, 182853), (165, 171771), (279, 101585), (341, 83115), (465, 60951), (495, 57257), (1023, 27705), (1395, 20317), (1705, 16623), (1847, 15345), (3069, 9235), (5115, 5541)]