12986805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 23189760

約数和(自身を除く): 10202955

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 109, 141, 169, 195, 235, 327, 507, 545, 611, 705, 845, 1417, 1635, 1833, 2535, 3055, 4251, 5123, 7085, 7943, 9165, 15369, 18421, 21255, 23829, 25615, 39715, 55263, 66599, 76845, 92105, 119145, 199797, 276315, 332995, 865787, 998985, 2597361, 4328935, 12986805]

約数ペア:

[(1, 12986805), (3, 4328935), (5, 2597361), (13, 998985), (15, 865787), (39, 332995), (47, 276315), (65, 199797), (109, 119145), (141, 92105), (169, 76845), (195, 66599), (235, 55263), (327, 39715), (507, 25615), (545, 23829), (611, 21255), (705, 18421), (845, 15369), (1417, 9165), (1635, 7943), (1833, 7085), (2535, 5123), (3055, 4251)]