260530821

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{8447}}^1$

素因数の和:8625

約数の個数: 24

約数和(自身を含む): 395366400

約数和(自身を除く): 134835579

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 1341, 3427, 8447, 10281, 25341, 30843, 76023, 194281, 582843, 1258603, 1748529, 3775809, 11327427, 28947869, 86843607, 260530821]

約数ペア:

[(1, 260530821), (3, 86843607), (9, 28947869), (23, 11327427), (69, 3775809), (149, 1748529), (207, 1258603), (447, 582843), (1341, 194281), (3427, 76023), (8447, 30843), (10281, 25341)]