77571225

素因数分解:

$3^2\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1123}}^1$

素因数の和:1446

約数の個数: 36

約数和(自身を含む): 139515376

約数和(自身を除く): 61944151

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 307, 921, 1123, 1535, 2763, 3369, 4605, 5615, 7675, 10107, 13815, 16845, 23025, 28075, 50535, 69075, 84225, 252675, 344761, 1034283, 1723805, 3102849, 5171415, 8619025, 15514245, 25857075, 77571225]

約数ペア:

[(1, 77571225), (3, 25857075), (5, 15514245), (9, 8619025), (15, 5171415), (25, 3102849), (45, 1723805), (75, 1034283), (225, 344761), (307, 252675), (921, 84225), (1123, 69075), (1535, 50535), (2763, 28075), (3369, 23025), (4605, 16845), (5615, 13815), (7675, 10107)]