978285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^3$

素因数の和:55

約数の個数: 48

約数和(自身を含む): 2002752

約数和(自身を除く): 1024467

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 121, 147, 165, 231, 245, 363, 385, 539, 605, 735, 847, 1155, 1331, 1617, 1815, 2541, 2695, 3993, 4235, 5929, 6655, 8085, 9317, 12705, 17787, 19965, 27951, 29645, 46585, 65219, 88935, 139755, 195657, 326095, 978285]

約数ペア:

[(1, 978285), (3, 326095), (5, 195657), (7, 139755), (11, 88935), (15, 65219), (21, 46585), (33, 29645), (35, 27951), (49, 19965), (55, 17787), (77, 12705), (105, 9317), (121, 8085), (147, 6655), (165, 5929), (231, 4235), (245, 3993), (363, 2695), (385, 2541), (539, 1815), (605, 1617), (735, 1331), (847, 1155)]