31207449

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 51896320

約数和(自身を除く): 20688871

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1447, 1659, 3081, 4341, 7189, 10129, 18811, 21567, 30387, 56433, 114313, 131677, 342939, 395031, 800191, 1486069, 2400573, 4458207, 10402483, 31207449]

約数ペア:

[(1, 31207449), (3, 10402483), (7, 4458207), (13, 2400573), (21, 1486069), (39, 800191), (79, 395031), (91, 342939), (237, 131677), (273, 114313), (553, 56433), (1027, 30387), (1447, 21567), (1659, 18811), (3081, 10129), (4341, 7189)]