90317619

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 162201600

約数和(自身を除く): 71883981

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 79, 161, 189, 207, 237, 263, 483, 553, 621, 711, 789, 1449, 1659, 1817, 1841, 2133, 2367, 4347, 4977, 5451, 5523, 6049, 7101, 12719, 14931, 16353, 16569, 18147, 20777, 38157, 42343, 49059, 49707, 54441, 62331, 114471, 127029, 145439, 163323, 186993, 343413, 381087, 436317, 477871, 560979, 1143261, 1308951, 1433613, 3345097, 3926853, 4300839, 10035291, 12902517, 30105873, 90317619]

約数ペア:

[(1, 90317619), (3, 30105873), (7, 12902517), (9, 10035291), (21, 4300839), (23, 3926853), (27, 3345097), (63, 1433613), (69, 1308951), (79, 1143261), (161, 560979), (189, 477871), (207, 436317), (237, 381087), (263, 343413), (483, 186993), (553, 163323), (621, 145439), (711, 127029), (789, 114471), (1449, 62331), (1659, 54441), (1817, 49707), (1841, 49059), (2133, 42343), (2367, 38157), (4347, 20777), (4977, 18147), (5451, 16569), (5523, 16353), (6049, 14931), (7101, 12719)]