28480473

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7411}}^1$

素因数の和:7485

約数の個数: 24

約数和(自身を含む): 47792576

約数和(自身を除く): 19312103

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 7411, 22233, 51877, 66699, 155631, 452071, 466893, 1356213, 3164497, 4068639, 9493491, 28480473]

約数ペア:

[(1, 28480473), (3, 9493491), (7, 4068639), (9, 3164497), (21, 1356213), (61, 466893), (63, 452071), (183, 155631), (427, 66699), (549, 51877), (1281, 22233), (3843, 7411)]