290417193

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 470845440

約数和(自身を除く): 180428247

約数列:

[1, 3, 9, 11, 33, 71, 79, 99, 213, 237, 523, 639, 711, 781, 869, 1569, 2343, 2607, 4707, 5609, 5753, 7029, 7821, 16827, 17259, 37133, 41317, 50481, 51777, 61699, 111399, 123951, 185097, 334197, 371853, 408463, 454487, 555291, 1225389, 1363461, 2933507, 3676167, 4090383, 8800521, 26401563, 32268577, 96805731, 290417193]

約数ペア:

[(1, 290417193), (3, 96805731), (9, 32268577), (11, 26401563), (33, 8800521), (71, 4090383), (79, 3676167), (99, 2933507), (213, 1363461), (237, 1225389), (523, 555291), (639, 454487), (711, 408463), (781, 371853), (869, 334197), (1569, 185097), (2343, 123951), (2607, 111399), (4707, 61699), (5609, 51777), (5753, 50481), (7029, 41317), (7821, 37133), (16827, 17259)]