1921075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 2687328

約数和(自身を除く): 766253

約数列:

[1, 5, 13, 23, 25, 65, 115, 257, 299, 325, 575, 1285, 1495, 3341, 5911, 6425, 7475, 16705, 29555, 76843, 83525, 147775, 384215, 1921075]

約数ペア:

[(1, 1921075), (5, 384215), (13, 147775), (23, 83525), (25, 76843), (65, 29555), (115, 16705), (257, 7475), (299, 6425), (325, 5911), (575, 3341), (1285, 1495)]