420121323

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 60

約数和(自身を含む): 676669752

約数和(自身を除く): 256548429

約数列:

[1, 3, 9, 17, 27, 51, 81, 131, 137, 153, 289, 393, 411, 459, 867, 1179, 1233, 1377, 2227, 2329, 2601, 3537, 3699, 6681, 6987, 7803, 10611, 11097, 17947, 20043, 20961, 23409, 37859, 39593, 53841, 60129, 62883, 113577, 118779, 161523, 180387, 188649, 305099, 340731, 356337, 484569, 915297, 1022193, 1069011, 1453707, 2745891, 3066579, 3207033, 5186683, 8237673, 15560049, 24713019, 46680147, 140040441, 420121323]

約数ペア:

[(1, 420121323), (3, 140040441), (9, 46680147), (17, 24713019), (27, 15560049), (51, 8237673), (81, 5186683), (131, 3207033), (137, 3066579), (153, 2745891), (289, 1453707), (393, 1069011), (411, 1022193), (459, 915297), (867, 484569), (1179, 356337), (1233, 340731), (1377, 305099), (2227, 188649), (2329, 180387), (2601, 161523), (3537, 118779), (3699, 113577), (6681, 62883), (6987, 60129), (7803, 53841), (10611, 39593), (11097, 37859), (17947, 23409), (20043, 20961)]