25228413

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 43630080

約数和(自身を除く): 18401667

約数列:

[1, 3, 7, 9, 21, 37, 63, 79, 111, 137, 237, 259, 333, 411, 553, 711, 777, 959, 1233, 1659, 2331, 2877, 2923, 4977, 5069, 8631, 8769, 10823, 15207, 20461, 26307, 32469, 35483, 45621, 61383, 75761, 97407, 106449, 184149, 227283, 319347, 400451, 681849, 1201353, 2803157, 3604059, 8409471, 25228413]

約数ペア:

[(1, 25228413), (3, 8409471), (7, 3604059), (9, 2803157), (21, 1201353), (37, 681849), (63, 400451), (79, 319347), (111, 227283), (137, 184149), (237, 106449), (259, 97407), (333, 75761), (411, 61383), (553, 45621), (711, 35483), (777, 32469), (959, 26307), (1233, 20461), (1659, 15207), (2331, 10823), (2877, 8769), (2923, 8631), (4977, 5069)]