28979655

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4471

約数の個数: 32

約数和(自身を含む): 50941440

約数和(自身を除く): 21961785

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 4421, 6555, 13263, 22105, 66315, 83999, 101683, 251997, 305049, 419995, 508415, 1259985, 1525245, 1931977, 5795931, 9659885, 28979655]

約数ペア:

[(1, 28979655), (3, 9659885), (5, 5795931), (15, 1931977), (19, 1525245), (23, 1259985), (57, 508415), (69, 419995), (95, 305049), (115, 251997), (285, 101683), (345, 83999), (437, 66315), (1311, 22105), (2185, 13263), (4421, 6555)]