1320408747

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{77339}}^1$

素因数の和:77623

約数の個数: 24

約数和(自身を含む): 2187793920

約数和(自身を除く): 867385173

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2439, 5691, 17073, 77339, 232017, 541373, 696051, 1624119, 4872357, 20958869, 62876607, 146712083, 188629821, 440136249, 1320408747]

約数ペア:

[(1, 1320408747), (3, 440136249), (7, 188629821), (9, 146712083), (21, 62876607), (63, 20958869), (271, 4872357), (813, 1624119), (1897, 696051), (2439, 541373), (5691, 232017), (17073, 77339)]