128613638457

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{51220087}}^1$

素因数の和:51220130

約数の個数: 20

約数和(自身を含む): 198324180736

約数和(自身を除く): 69710542279

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 51220087, 153660261, 460980783, 1382942349, 1587822697, 4148827047, 4763468091, 14290404273, 42871212819, 128613638457]

約数ペア:

[(1, 128613638457), (3, 42871212819), (9, 14290404273), (27, 4763468091), (31, 4148827047), (81, 1587822697), (93, 1382942349), (279, 460980783), (837, 153660261), (2511, 51220087)]