831330285

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{13313}}^1$

素因数の和:13525

約数の個数: 32

約数和(自身を含む): 1395733248

約数和(自身を除く): 564402963

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 2715, 4163, 12489, 13313, 20815, 39939, 62445, 66565, 199695, 306199, 918597, 1530995, 2409653, 4592985, 7228959, 12048265, 36144795, 55422019, 166266057, 277110095, 831330285]

約数ペア:

[(1, 831330285), (3, 277110095), (5, 166266057), (15, 55422019), (23, 36144795), (69, 12048265), (115, 7228959), (181, 4592985), (345, 2409653), (543, 1530995), (905, 918597), (2715, 306199), (4163, 199695), (12489, 66565), (13313, 62445), (20815, 39939)]