78181761

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 125227008

約数和(自身を除く): 47045247

約数列:

[1, 3, 7, 21, 23, 69, 157, 161, 471, 483, 1031, 1099, 3093, 3297, 3611, 7217, 10833, 21651, 23713, 25277, 71139, 75831, 161867, 165991, 485601, 497973, 1133069, 3399207, 3722941, 11168823, 26060587, 78181761]

約数ペア:

[(1, 78181761), (3, 26060587), (7, 11168823), (21, 3722941), (23, 3399207), (69, 1133069), (157, 497973), (161, 485601), (471, 165991), (483, 161867), (1031, 75831), (1099, 71139), (3093, 25277), (3297, 23713), (3611, 21651), (7217, 10833)]