78865551

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 119714400

約数和(自身を除く): 40848849

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 1341, 2557, 3427, 7671, 10281, 23013, 30843, 58811, 176433, 380993, 529299, 1142979, 3428937, 8762839, 26288517, 78865551]

約数ペア:

[(1, 78865551), (3, 26288517), (9, 8762839), (23, 3428937), (69, 1142979), (149, 529299), (207, 380993), (447, 176433), (1341, 58811), (2557, 30843), (3427, 23013), (7671, 10281)]