28912995

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15671}}^1$

素因数の和:15723

約数の個数: 24

約数和(自身を含む): 51341472

約数和(自身を除く): 22428477

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15671, 47013, 78355, 141039, 235065, 642511, 705195, 1927533, 3212555, 5782599, 9637665, 28912995]

約数ペア:

[(1, 28912995), (3, 9637665), (5, 5782599), (9, 3212555), (15, 1927533), (41, 705195), (45, 642511), (123, 235065), (205, 141039), (369, 78355), (615, 47013), (1845, 15671)]