31383423

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 48600000

約数和(自身を除く): 17216577

約数列:

[1, 3, 9, 27, 29, 87, 149, 261, 269, 447, 783, 807, 1341, 2421, 4023, 4321, 7263, 7801, 12963, 23403, 38889, 40081, 70209, 116667, 120243, 210627, 360729, 1082187, 1162349, 3487047, 10461141, 31383423]

約数ペア:

[(1, 31383423), (3, 10461141), (9, 3487047), (27, 1162349), (29, 1082187), (87, 360729), (149, 210627), (261, 120243), (269, 116667), (447, 70209), (783, 40081), (807, 38889), (1341, 23403), (2421, 12963), (4023, 7801), (4321, 7263)]