12940215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 21663936

約数和(自身を除く): 8723721

約数列:

[1, 3, 5, 15, 41, 53, 123, 159, 205, 265, 397, 615, 795, 1191, 1985, 2173, 5955, 6519, 10865, 16277, 21041, 32595, 48831, 63123, 81385, 105205, 244155, 315615, 862681, 2588043, 4313405, 12940215]

約数ペア:

[(1, 12940215), (3, 4313405), (5, 2588043), (15, 862681), (41, 315615), (53, 244155), (123, 105205), (159, 81385), (205, 63123), (265, 48831), (397, 32595), (615, 21041), (795, 16277), (1191, 10865), (1985, 6519), (2173, 5955)]