8991333

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 15049216

約数和(自身を除く): 6057883

約数列:

[1, 3, 9, 13, 31, 37, 39, 67, 93, 111, 117, 201, 279, 333, 403, 481, 603, 871, 1147, 1209, 1443, 2077, 2479, 2613, 3441, 3627, 4329, 6231, 7437, 7839, 10323, 14911, 18693, 22311, 27001, 32227, 44733, 76849, 81003, 96681, 134199, 230547, 243009, 290043, 691641, 999037, 2997111, 8991333]

約数ペア:

[(1, 8991333), (3, 2997111), (9, 999037), (13, 691641), (31, 290043), (37, 243009), (39, 230547), (67, 134199), (93, 96681), (111, 81003), (117, 76849), (201, 44733), (279, 32227), (333, 27001), (403, 22311), (481, 18693), (603, 14911), (871, 10323), (1147, 7839), (1209, 7437), (1443, 6231), (2077, 4329), (2479, 3627), (2613, 3441)]