81450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{181}}^1$

素因数の和:199

約数の個数: 36

約数和(自身を含む): 220038

約数和(自身を除く): 138588

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 181, 225, 362, 450, 543, 905, 1086, 1629, 1810, 2715, 3258, 4525, 5430, 8145, 9050, 13575, 16290, 27150, 40725, 81450]

約数ペア:

[(1, 81450), (2, 40725), (3, 27150), (5, 16290), (6, 13575), (9, 9050), (10, 8145), (15, 5430), (18, 4525), (25, 3258), (30, 2715), (45, 1810), (50, 1629), (75, 1086), (90, 905), (150, 543), (181, 450), (225, 362)]