18031221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 29406720

約数和(自身を除く): 11375499

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1093, 1269, 1833, 3279, 5499, 9837, 14209, 16497, 29511, 42627, 51371, 127881, 154113, 383643, 462339, 667823, 1387017, 2003469, 6010407, 18031221]

約数ペア:

[(1, 18031221), (3, 6010407), (9, 2003469), (13, 1387017), (27, 667823), (39, 462339), (47, 383643), (117, 154113), (141, 127881), (351, 51371), (423, 42627), (611, 29511), (1093, 16497), (1269, 14209), (1833, 9837), (3279, 5499)]