207901431

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 316701440

約数和(自身を除く): 108800009

約数列:

[1, 3, 9, 27, 43, 129, 331, 387, 541, 993, 1161, 1623, 2979, 4869, 8937, 14233, 14607, 23263, 42699, 69789, 128097, 179071, 209367, 384291, 537213, 628101, 1611639, 4834917, 7700053, 23100159, 69300477, 207901431]

約数ペア:

[(1, 207901431), (3, 69300477), (9, 23100159), (27, 7700053), (43, 4834917), (129, 1611639), (331, 628101), (387, 537213), (541, 384291), (993, 209367), (1161, 179071), (1623, 128097), (2979, 69789), (4869, 42699), (8937, 23263), (14233, 14607)]