12121245

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^2$

素因数の和:363

約数の個数: 30

約数和(自身を含む): 21854778

約数和(自身を除く): 9733533

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 405, 519, 865, 1557, 2595, 4671, 7785, 14013, 23355, 29929, 70065, 89787, 149645, 269361, 448935, 808083, 1346805, 2424249, 4040415, 12121245]

約数ペア:

[(1, 12121245), (3, 4040415), (5, 2424249), (9, 1346805), (15, 808083), (27, 448935), (45, 269361), (81, 149645), (135, 89787), (173, 70065), (405, 29929), (519, 23355), (865, 14013), (1557, 7785), (2595, 4671)]