128810493

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 221462912

約数和(自身を除く): 92652419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 471, 567, 1099, 1413, 1447, 3297, 4239, 4341, 9891, 10129, 12717, 13023, 29673, 30387, 39069, 89019, 91161, 117207, 227179, 273483, 681537, 820449, 1590253, 2044611, 4770759, 6133833, 14312277, 18401499, 42936831, 128810493]

約数ペア:

[(1, 128810493), (3, 42936831), (7, 18401499), (9, 14312277), (21, 6133833), (27, 4770759), (63, 2044611), (81, 1590253), (157, 820449), (189, 681537), (471, 273483), (567, 227179), (1099, 117207), (1413, 91161), (1447, 89019), (3297, 39069), (4239, 30387), (4341, 29673), (9891, 13023), (10129, 12717)]