128880855

素因数分解:

$3^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2089}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 229732800

約数和(自身を除く): 100851945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 457, 1371, 2089, 2285, 4113, 6267, 6855, 10445, 12339, 18801, 20565, 31335, 56403, 61695, 94005, 282015, 954673, 2864019, 4773365, 8592057, 14320095, 25776171, 42960285, 128880855]

約数ペア:

[(1, 128880855), (3, 42960285), (5, 25776171), (9, 14320095), (15, 8592057), (27, 4773365), (45, 2864019), (135, 954673), (457, 282015), (1371, 94005), (2089, 61695), (2285, 56403), (4113, 31335), (6267, 20565), (6855, 18801), (10445, 12339)]