11840985

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 23117292

約数和(自身を除く): 11276307

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 169, 173, 195, 351, 405, 507, 519, 585, 845, 865, 1053, 1521, 1557, 1755, 2249, 2535, 2595, 4563, 4671, 5265, 6747, 7605, 7785, 11245, 13689, 14013, 20241, 22815, 23355, 29237, 33735, 60723, 68445, 70065, 87711, 101205, 146185, 182169, 263133, 303615, 438555, 789399, 910845, 1315665, 2368197, 3946995, 11840985]

約数ペア:

[(1, 11840985), (3, 3946995), (5, 2368197), (9, 1315665), (13, 910845), (15, 789399), (27, 438555), (39, 303615), (45, 263133), (65, 182169), (81, 146185), (117, 101205), (135, 87711), (169, 70065), (173, 68445), (195, 60723), (351, 33735), (405, 29237), (507, 23355), (519, 22815), (585, 20241), (845, 14013), (865, 13689), (1053, 11245), (1521, 7785), (1557, 7605), (1755, 6747), (2249, 5265), (2535, 4671), (2595, 4563)]