128864745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6553}}^1$

素因数の和:6606

約数の個数: 48

約数和(自身を含む): 245381760

約数和(自身を除く): 116517015

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 2185, 3933, 6553, 6555, 19659, 19665, 32765, 58977, 98295, 124507, 150719, 294885, 373521, 452157, 622535, 753595, 1120563, 1356471, 1867605, 2260785, 2863661, 5602815, 6782355, 8590983, 14318305, 25772949, 42954915, 128864745]

約数ペア:

[(1, 128864745), (3, 42954915), (5, 25772949), (9, 14318305), (15, 8590983), (19, 6782355), (23, 5602815), (45, 2863661), (57, 2260785), (69, 1867605), (95, 1356471), (115, 1120563), (171, 753595), (207, 622535), (285, 452157), (345, 373521), (437, 294885), (855, 150719), (1035, 124507), (1311, 98295), (2185, 58977), (3933, 32765), (6553, 19665), (6555, 19659)]