90289017

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15749}}^1$

素因数の和:15782

約数の個数: 36

約数和(自身を含む): 163390500

約数和(自身を除く): 73101483

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 15749, 47247, 110243, 141741, 204737, 330729, 614211, 771701, 992187, 1433159, 1842633, 2315103, 4299477, 6945309, 10032113, 12898431, 30096339, 90289017]

約数ペア:

[(1, 90289017), (3, 30096339), (7, 12898431), (9, 10032113), (13, 6945309), (21, 4299477), (39, 2315103), (49, 1842633), (63, 1433159), (91, 992187), (117, 771701), (147, 614211), (273, 330729), (441, 204737), (637, 141741), (819, 110243), (1911, 47247), (5733, 15749)]