3909789

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 6504960

約数和(自身を除く): 2595171

約数列:

[1, 3, 9, 13, 27, 39, 47, 79, 81, 117, 141, 237, 351, 423, 611, 711, 1027, 1053, 1269, 1833, 2133, 3081, 3713, 3807, 5499, 6399, 9243, 11139, 16497, 27729, 33417, 48269, 49491, 83187, 100251, 144807, 300753, 434421, 1303263, 3909789]

約数ペア:

[(1, 3909789), (3, 1303263), (9, 434421), (13, 300753), (27, 144807), (39, 100251), (47, 83187), (79, 49491), (81, 48269), (117, 33417), (141, 27729), (237, 16497), (351, 11139), (423, 9243), (611, 6399), (711, 5499), (1027, 3807), (1053, 3713), (1269, 3081), (1833, 2133)]