728904195

素因数分解:

$3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{89491}}^1$

素因数の和:89683

約数の個数: 24

約数和(自身を含む): 1270428432

約数和(自身を除く): 541524237

約数列:

[1, 3, 5, 9, 15, 45, 181, 543, 905, 1629, 2715, 8145, 89491, 268473, 447455, 805419, 1342365, 4027095, 16197871, 48593613, 80989355, 145780839, 242968065, 728904195]

約数ペア:

[(1, 728904195), (3, 242968065), (5, 145780839), (9, 80989355), (15, 48593613), (45, 16197871), (181, 4027095), (543, 1342365), (905, 805419), (1629, 447455), (2715, 268473), (8145, 89491)]