30791709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 51538032

約数和(自身を除く): 20746323

約数列:

[1, 3, 9, 13, 17, 39, 51, 113, 117, 137, 153, 221, 339, 411, 663, 1017, 1233, 1469, 1781, 1921, 1989, 2329, 4407, 5343, 5763, 6987, 13221, 15481, 16029, 17289, 20961, 24973, 30277, 46443, 74919, 90831, 139329, 201253, 224757, 263177, 272493, 603759, 789531, 1811277, 2368593, 3421301, 10263903, 30791709]

約数ペア:

[(1, 30791709), (3, 10263903), (9, 3421301), (13, 2368593), (17, 1811277), (39, 789531), (51, 603759), (113, 272493), (117, 263177), (137, 224757), (153, 201253), (221, 139329), (339, 90831), (411, 74919), (663, 46443), (1017, 30277), (1233, 24973), (1469, 20961), (1781, 17289), (1921, 16029), (1989, 15481), (2329, 13221), (4407, 6987), (5343, 5763)]