12961305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 26807040

約数和(自身を除く): 13845735

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 1789, 2415, 5367, 7245, 8945, 12523, 16101, 26835, 37569, 41147, 62615, 80505, 112707, 123441, 187845, 205735, 288029, 370323, 563535, 617205, 864087, 1440145, 1851615, 2592261, 4320435, 12961305]

約数ペア:

[(1, 12961305), (3, 4320435), (5, 2592261), (7, 1851615), (9, 1440145), (15, 864087), (21, 617205), (23, 563535), (35, 370323), (45, 288029), (63, 205735), (69, 187845), (105, 123441), (115, 112707), (161, 80505), (207, 62615), (315, 41147), (345, 37569), (483, 26835), (805, 16101), (1035, 12523), (1449, 8945), (1789, 7245), (2415, 5367)]