69431655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 125193600

約数和(自身を除く): 55761945

約数列:

[1, 3, 5, 15, 17, 29, 41, 51, 85, 87, 123, 145, 205, 229, 255, 435, 493, 615, 687, 697, 1145, 1189, 1479, 2091, 2465, 3435, 3485, 3567, 3893, 5945, 6641, 7395, 9389, 10455, 11679, 17835, 19465, 19923, 20213, 28167, 33205, 46945, 58395, 60639, 99615, 101065, 112897, 140835, 159613, 272281, 303195, 338691, 478839, 564485, 798065, 816843, 1361405, 1693455, 2394195, 4084215, 4628777, 13886331, 23143885, 69431655]

約数ペア:

[(1, 69431655), (3, 23143885), (5, 13886331), (15, 4628777), (17, 4084215), (29, 2394195), (41, 1693455), (51, 1361405), (85, 816843), (87, 798065), (123, 564485), (145, 478839), (205, 338691), (229, 303195), (255, 272281), (435, 159613), (493, 140835), (615, 112897), (687, 101065), (697, 99615), (1145, 60639), (1189, 58395), (1479, 46945), (2091, 33205), (2465, 28167), (3435, 20213), (3485, 19923), (3567, 19465), (3893, 17835), (5945, 11679), (6641, 10455), (7395, 9389)]