51804171

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 78720000

約数和(自身を除く): 26915829

約数列:

[1, 3, 9, 27, 79, 149, 163, 237, 447, 489, 711, 1341, 1467, 2133, 4023, 4401, 11771, 12877, 24287, 35313, 38631, 72861, 105939, 115893, 218583, 317817, 347679, 655749, 1918673, 5756019, 17268057, 51804171]

約数ペア:

[(1, 51804171), (3, 17268057), (9, 5756019), (27, 1918673), (79, 655749), (149, 347679), (163, 317817), (237, 218583), (447, 115893), (489, 105939), (711, 72861), (1341, 38631), (1467, 35313), (2133, 24287), (4023, 12877), (4401, 11771)]