289805763

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{18439}}^1$

素因数の和:18499

約数の個数: 24

約数和(自身を含む): 431938560

約数和(自身を除く): 142132797

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 5239, 15717, 18439, 55317, 239707, 571609, 719121, 1714827, 3116191, 7430917, 9348573, 22292751, 96601921, 289805763]

約数ペア:

[(1, 289805763), (3, 96601921), (13, 22292751), (31, 9348573), (39, 7430917), (93, 3116191), (169, 1714827), (403, 719121), (507, 571609), (1209, 239707), (5239, 55317), (15717, 18439)]