12642555

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 21123648

約数和(自身を除く): 8481093

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 337, 615, 915, 1011, 1685, 2501, 5055, 7503, 12505, 13817, 20557, 37515, 41451, 61671, 69085, 102785, 207255, 308355, 842837, 2528511, 4214185, 12642555]

約数ペア:

[(1, 12642555), (3, 4214185), (5, 2528511), (15, 842837), (41, 308355), (61, 207255), (123, 102785), (183, 69085), (205, 61671), (305, 41451), (337, 37515), (615, 20557), (915, 13817), (1011, 12505), (1685, 7503), (2501, 5055)]