25404561

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31019}}^1$

素因数の和:31045

約数の個数: 24

約数和(自身を含む): 45165120

約数和(自身を除く): 19760559

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 31019, 93057, 217133, 279171, 403247, 651399, 1209741, 1954197, 2822729, 3629223, 8468187, 25404561]

約数ペア:

[(1, 25404561), (3, 8468187), (7, 3629223), (9, 2822729), (13, 1954197), (21, 1209741), (39, 651399), (63, 403247), (91, 279171), (117, 217133), (273, 93057), (819, 31019)]