31732641

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 56

約数和(自身を含む): 52464000

約数和(自身を除く): 20731359

約数列:

[1, 3, 9, 19, 27, 29, 57, 79, 81, 87, 171, 237, 243, 261, 513, 551, 711, 729, 783, 1501, 1539, 1653, 2133, 2291, 2349, 4503, 4617, 4959, 6399, 6873, 7047, 13509, 13851, 14877, 19197, 20619, 21141, 40527, 43529, 44631, 57591, 61857, 121581, 130587, 133893, 185571, 364743, 391761, 401679, 556713, 1094229, 1175283, 1670139, 3525849, 10577547, 31732641]

約数ペア:

[(1, 31732641), (3, 10577547), (9, 3525849), (19, 1670139), (27, 1175283), (29, 1094229), (57, 556713), (79, 401679), (81, 391761), (87, 364743), (171, 185571), (237, 133893), (243, 130587), (261, 121581), (513, 61857), (551, 57591), (711, 44631), (729, 43529), (783, 40527), (1501, 21141), (1539, 20619), (1653, 19197), (2133, 14877), (2291, 13851), (2349, 13509), (4503, 7047), (4617, 6873), (4959, 6399)]