128586549

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1423}}^1$

素因数の和:1777

約数の個数: 32

約数和(自身を含む): 211800064

約数和(自身を除く): 83213515

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 993, 1423, 2317, 4269, 4303, 6951, 9961, 12909, 18499, 29883, 30121, 55497, 90363, 129493, 388479, 471013, 1413039, 3297091, 6123169, 9891273, 18369507, 42862183, 128586549]

約数ペア:

[(1, 128586549), (3, 42862183), (7, 18369507), (13, 9891273), (21, 6123169), (39, 3297091), (91, 1413039), (273, 471013), (331, 388479), (993, 129493), (1423, 90363), (2317, 55497), (4269, 30121), (4303, 29883), (6951, 18499), (9961, 12909)]