2116215

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3983616

約数和(自身を除く): 1867401

約数列:

[1, 3, 5, 9, 15, 31, 37, 41, 45, 93, 111, 123, 155, 185, 205, 279, 333, 369, 465, 555, 615, 1147, 1271, 1395, 1517, 1665, 1845, 3441, 3813, 4551, 5735, 6355, 7585, 10323, 11439, 13653, 17205, 19065, 22755, 47027, 51615, 57195, 68265, 141081, 235135, 423243, 705405, 2116215]

約数ペア:

[(1, 2116215), (3, 705405), (5, 423243), (9, 235135), (15, 141081), (31, 68265), (37, 57195), (41, 51615), (45, 47027), (93, 22755), (111, 19065), (123, 17205), (155, 13653), (185, 11439), (205, 10323), (279, 7585), (333, 6355), (369, 5735), (465, 4551), (555, 3813), (615, 3441), (1147, 1845), (1271, 1665), (1395, 1517)]