128942505

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42767}}^1$

素因数の和:42845

約数の個数: 24

約数和(自身を含む): 226841472

約数和(自身を除く): 97898967

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 42767, 128301, 213835, 384903, 641505, 1924515, 2865389, 8596167, 14326945, 25788501, 42980835, 128942505]

約数ペア:

[(1, 128942505), (3, 42980835), (5, 25788501), (9, 14326945), (15, 8596167), (45, 2865389), (67, 1924515), (201, 641505), (335, 384903), (603, 213835), (1005, 128301), (3015, 42767)]