12154905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 24620544

約数和(自身を除く): 12465639

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 821, 987, 1645, 2115, 2463, 2961, 4105, 4935, 5747, 7389, 12315, 14805, 17241, 28735, 36945, 38587, 51723, 86205, 115761, 192935, 258615, 270109, 347283, 578805, 810327, 1350545, 1736415, 2430981, 4051635, 12154905]

約数ペア:

[(1, 12154905), (3, 4051635), (5, 2430981), (7, 1736415), (9, 1350545), (15, 810327), (21, 578805), (35, 347283), (45, 270109), (47, 258615), (63, 192935), (105, 115761), (141, 86205), (235, 51723), (315, 38587), (329, 36945), (423, 28735), (705, 17241), (821, 14805), (987, 12315), (1645, 7389), (2115, 5747), (2463, 4935), (2961, 4105)]