12018981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 6044379

約数列:

[1, 3, 13, 39, 47, 79, 83, 141, 237, 249, 611, 1027, 1079, 1833, 3081, 3237, 3713, 3901, 6557, 11139, 11703, 19671, 48269, 50713, 85241, 144807, 152139, 255723, 308179, 924537, 4006327, 12018981]

約数ペア:

[(1, 12018981), (3, 4006327), (13, 924537), (39, 308179), (47, 255723), (79, 152139), (83, 144807), (141, 85241), (237, 50713), (249, 48269), (611, 19671), (1027, 11703), (1079, 11139), (1833, 6557), (3081, 3901), (3237, 3713)]