81494517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 120476160

約数和(自身を除く): 38981643

約数列:

[1, 3, 13, 39, 59, 107, 177, 321, 331, 767, 993, 1391, 2301, 4173, 4303, 6313, 12909, 18939, 19529, 35417, 58587, 82069, 106251, 246207, 253877, 460421, 761631, 1381263, 2089603, 6268809, 27164839, 81494517]

約数ペア:

[(1, 81494517), (3, 27164839), (13, 6268809), (39, 2089603), (59, 1381263), (107, 761631), (177, 460421), (321, 253877), (331, 246207), (767, 106251), (993, 82069), (1391, 58587), (2301, 35417), (4173, 19529), (4303, 18939), (6313, 12909)]