28604511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 18176769

約数列:

[1, 3, 9, 13, 39, 41, 67, 89, 117, 123, 201, 267, 369, 533, 603, 801, 871, 1157, 1599, 2613, 2747, 3471, 3649, 4797, 5963, 7839, 8241, 10413, 10947, 17889, 24723, 32841, 35711, 47437, 53667, 77519, 107133, 142311, 232557, 244483, 321399, 426933, 697671, 733449, 2200347, 3178279, 9534837, 28604511]

約数ペア:

[(1, 28604511), (3, 9534837), (9, 3178279), (13, 2200347), (39, 733449), (41, 697671), (67, 426933), (89, 321399), (117, 244483), (123, 232557), (201, 142311), (267, 107133), (369, 77519), (533, 53667), (603, 47437), (801, 35711), (871, 32841), (1157, 24723), (1599, 17889), (2613, 10947), (2747, 10413), (3471, 8241), (3649, 7839), (4797, 5963)]