488974455

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{40697}}^1$

素因数の和:40800

約数の個数: 32

約数和(自身を含む): 879076800

約数和(自身を除く): 390102345

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 40697, 122091, 203485, 366273, 610455, 1098819, 1831365, 3622033, 5494095, 10866099, 18110165, 32598297, 54330495, 97794891, 162991485, 488974455]

約数ペア:

[(1, 488974455), (3, 162991485), (5, 97794891), (9, 54330495), (15, 32598297), (27, 18110165), (45, 10866099), (89, 5494095), (135, 3622033), (267, 1831365), (445, 1098819), (801, 610455), (1335, 366273), (2403, 203485), (4005, 122091), (12015, 40697)]