7140447

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 11520000

約数和(自身を除く): 4379553

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 449, 513, 589, 837, 1347, 1767, 4041, 5301, 8531, 12123, 13919, 15903, 25593, 41757, 76779, 125271, 230337, 264461, 375813, 793383, 2380149, 7140447]

約数ペア:

[(1, 7140447), (3, 2380149), (9, 793383), (19, 375813), (27, 264461), (31, 230337), (57, 125271), (93, 76779), (171, 41757), (279, 25593), (449, 15903), (513, 13919), (589, 12123), (837, 8531), (1347, 5301), (1767, 4041)]