2107215

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 4248552

約数和(自身を除く): 2141337

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 81, 99, 121, 129, 135, 165, 215, 297, 363, 387, 405, 473, 495, 605, 645, 891, 1089, 1161, 1419, 1485, 1815, 1935, 2365, 3267, 3483, 4257, 4455, 5203, 5445, 5805, 7095, 9801, 12771, 15609, 16335, 17415, 21285, 26015, 38313, 46827, 49005, 63855, 78045, 140481, 191565, 234135, 421443, 702405, 2107215]

約数ペア:

[(1, 2107215), (3, 702405), (5, 421443), (9, 234135), (11, 191565), (15, 140481), (27, 78045), (33, 63855), (43, 49005), (45, 46827), (55, 38313), (81, 26015), (99, 21285), (121, 17415), (129, 16335), (135, 15609), (165, 12771), (215, 9801), (297, 7095), (363, 5805), (387, 5445), (405, 5203), (473, 4455), (495, 4257), (605, 3483), (645, 3267), (891, 2365), (1089, 1935), (1161, 1815), (1419, 1485)]