208069545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{1429}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 353358720

約数和(自身を除く): 145289175

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 571, 1429, 1713, 2855, 4287, 7145, 8565, 9707, 21435, 24293, 29121, 48535, 72879, 121465, 145605, 364395, 815959, 2447877, 4079795, 12239385, 13871303, 41613909, 69356515, 208069545]

約数ペア:

[(1, 208069545), (3, 69356515), (5, 41613909), (15, 13871303), (17, 12239385), (51, 4079795), (85, 2447877), (255, 815959), (571, 364395), (1429, 145605), (1713, 121465), (2855, 72879), (4287, 48535), (7145, 29121), (8565, 24293), (9707, 21435)]