2251431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 4004000

約数和(自身を除く): 1752569

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2749, 8247, 19243, 24741, 35737, 57729, 107211, 173187, 250159, 321633, 750477, 2251431]

約数ペア:

[(1, 2251431), (3, 750477), (7, 321633), (9, 250159), (13, 173187), (21, 107211), (39, 57729), (63, 35737), (91, 24741), (117, 19243), (273, 8247), (819, 2749)]