221963535

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 403228800

約数和(自身を除く): 181265265

約数列:

[1, 3, 5, 9, 15, 29, 45, 79, 87, 145, 237, 261, 395, 435, 711, 1185, 1305, 2153, 2291, 3555, 6459, 6873, 10765, 11455, 19377, 20619, 32295, 34365, 62437, 96885, 103095, 170087, 187311, 312185, 510261, 561933, 850435, 936555, 1530783, 2551305, 2809665, 4932523, 7653915, 14797569, 24662615, 44392707, 73987845, 221963535]

約数ペア:

[(1, 221963535), (3, 73987845), (5, 44392707), (9, 24662615), (15, 14797569), (29, 7653915), (45, 4932523), (79, 2809665), (87, 2551305), (145, 1530783), (237, 936555), (261, 850435), (395, 561933), (435, 510261), (711, 312185), (1185, 187311), (1305, 170087), (2153, 103095), (2291, 96885), (3555, 62437), (6459, 34365), (6873, 32295), (10765, 20619), (11455, 19377)]