251145999

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1208

約数の個数: 36

約数和(自身を含む): 395618184

約数和(自身を除く): 144472185

約数列:

[1, 3, 9, 13, 39, 117, 163, 169, 489, 507, 1013, 1467, 1521, 2119, 3039, 6357, 9117, 13169, 19071, 27547, 39507, 82641, 118521, 165119, 171197, 247923, 495357, 513591, 1486071, 1540773, 2146547, 6439641, 19318923, 27905111, 83715333, 251145999]

約数ペア:

[(1, 251145999), (3, 83715333), (9, 27905111), (13, 19318923), (39, 6439641), (117, 2146547), (163, 1540773), (169, 1486071), (489, 513591), (507, 495357), (1013, 247923), (1467, 171197), (1521, 165119), (2119, 118521), (3039, 82641), (6357, 39507), (9117, 27547), (13169, 19071)]