131190759

素因数分解:

$3^4\times 7^1\times {\mathrm{401}}^1\times {\mathrm{577}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 224920608

約数和(自身を除く): 93729849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 401, 567, 577, 1203, 1731, 2807, 3609, 4039, 5193, 8421, 10827, 12117, 15579, 25263, 32481, 36351, 46737, 75789, 109053, 227367, 231377, 327159, 694131, 1619639, 2082393, 4858917, 6247179, 14576751, 18741537, 43730253, 131190759]

約数ペア:

[(1, 131190759), (3, 43730253), (7, 18741537), (9, 14576751), (21, 6247179), (27, 4858917), (63, 2082393), (81, 1619639), (189, 694131), (401, 327159), (567, 231377), (577, 227367), (1203, 109053), (1731, 75789), (2807, 46737), (3609, 36351), (4039, 32481), (5193, 25263), (8421, 15579), (10827, 12117)]