155105721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 248976000

約数和(自身を除く): 93870279

約数列:

[1, 3, 9, 19, 23, 57, 69, 113, 171, 207, 339, 349, 437, 1017, 1047, 1311, 2147, 2599, 3141, 3933, 6441, 6631, 7797, 8027, 19323, 19893, 23391, 24081, 39437, 49381, 59679, 72243, 118311, 148143, 152513, 354933, 444429, 457539, 749303, 907051, 1372617, 2247909, 2721153, 6743727, 8163459, 17233969, 51701907, 155105721]

約数ペア:

[(1, 155105721), (3, 51701907), (9, 17233969), (19, 8163459), (23, 6743727), (57, 2721153), (69, 2247909), (113, 1372617), (171, 907051), (207, 749303), (339, 457539), (349, 444429), (437, 354933), (1017, 152513), (1047, 148143), (1311, 118311), (2147, 72243), (2599, 59679), (3141, 49381), (3933, 39437), (6441, 24081), (6631, 23391), (7797, 19893), (8027, 19323)]