31604013

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:559

約数の個数: 40

約数和(自身を含む): 54479040

約数和(自身を除く): 22875027

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 401, 417, 567, 973, 1203, 1251, 2807, 2919, 3609, 3753, 8421, 8757, 10827, 11259, 25263, 26271, 32481, 55739, 75789, 78813, 167217, 227367, 390173, 501651, 1170519, 1504953, 3511557, 4514859, 10534671, 31604013]

約数ペア:

[(1, 31604013), (3, 10534671), (7, 4514859), (9, 3511557), (21, 1504953), (27, 1170519), (63, 501651), (81, 390173), (139, 227367), (189, 167217), (401, 78813), (417, 75789), (567, 55739), (973, 32481), (1203, 26271), (1251, 25263), (2807, 11259), (2919, 10827), (3609, 8757), (3753, 8421)]