25455969

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 46400640

約数和(自身を除く): 20944671

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 327, 337, 693, 763, 981, 1011, 1199, 2289, 2359, 3033, 3597, 3707, 6867, 7077, 8393, 10791, 11121, 21231, 25179, 25949, 33363, 36733, 75537, 77847, 110199, 233541, 257131, 330597, 404063, 771393, 1212189, 2314179, 2828441, 3636567, 8485323, 25455969]

約数ペア:

[(1, 25455969), (3, 8485323), (7, 3636567), (9, 2828441), (11, 2314179), (21, 1212189), (33, 771393), (63, 404063), (77, 330597), (99, 257131), (109, 233541), (231, 110199), (327, 77847), (337, 75537), (693, 36733), (763, 33363), (981, 25949), (1011, 25179), (1199, 21231), (2289, 11121), (2359, 10791), (3033, 8393), (3597, 7077), (3707, 6867)]