405978309

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{521}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 680120064

約数和(自身を除く): 274141755

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 463, 521, 561, 1389, 1563, 1683, 4167, 4689, 5093, 5731, 7871, 8857, 15279, 17193, 23613, 26571, 45837, 51579, 70839, 79713, 86581, 97427, 241223, 259743, 292281, 723669, 779229, 876843, 2171007, 2653453, 4100791, 7960359, 12302373, 23881077, 36907119, 45108701, 135326103, 405978309]

約数ペア:

[(1, 405978309), (3, 135326103), (9, 45108701), (11, 36907119), (17, 23881077), (33, 12302373), (51, 7960359), (99, 4100791), (153, 2653453), (187, 2171007), (463, 876843), (521, 779229), (561, 723669), (1389, 292281), (1563, 259743), (1683, 241223), (4167, 97427), (4689, 86581), (5093, 79713), (5731, 70839), (7871, 51579), (8857, 45837), (15279, 26571), (17193, 23613)]