68481465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15269}}^1$

素因数の和:15313

約数の個数: 32

約数和(自身を含む): 123137280

約数和(自身を除く): 54655815

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 15269, 45807, 76345, 198497, 229035, 351187, 595491, 992485, 1053561, 1755935, 2977455, 4565431, 5267805, 13696293, 22827155, 68481465]

約数ペア:

[(1, 68481465), (3, 22827155), (5, 13696293), (13, 5267805), (15, 4565431), (23, 2977455), (39, 1755935), (65, 1053561), (69, 992485), (115, 595491), (195, 351187), (299, 229035), (345, 198497), (897, 76345), (1495, 45807), (4485, 15269)]