220191777

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 363691328

約数和(自身を除く): 143499551

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 243, 351, 387, 559, 1053, 1161, 1621, 1677, 3159, 3483, 4863, 5031, 10449, 14589, 15093, 21073, 43767, 45279, 63219, 69703, 131301, 135837, 189657, 209109, 393903, 568971, 627327, 906139, 1706913, 1881981, 2718417, 5120739, 5645943, 8155251, 16937829, 24465753, 73397259, 220191777]

約数ペア:

[(1, 220191777), (3, 73397259), (9, 24465753), (13, 16937829), (27, 8155251), (39, 5645943), (43, 5120739), (81, 2718417), (117, 1881981), (129, 1706913), (243, 906139), (351, 627327), (387, 568971), (559, 393903), (1053, 209109), (1161, 189657), (1621, 135837), (1677, 131301), (3159, 69703), (3483, 63219), (4863, 45279), (5031, 43767), (10449, 21073), (14589, 15093)]