78648759

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5861}}^1$

素因数の和:5948

約数の個数: 32

約数和(自身を含む): 135060480

約数和(自身を除く): 56411721

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 5861, 13419, 17583, 41027, 52749, 123081, 158247, 369243, 416131, 1107729, 1248393, 2912917, 3745179, 8738751, 11235537, 26216253, 78648759]

約数ペア:

[(1, 78648759), (3, 26216253), (7, 11235537), (9, 8738751), (21, 3745179), (27, 2912917), (63, 1248393), (71, 1107729), (189, 416131), (213, 369243), (497, 158247), (639, 123081), (1491, 52749), (1917, 41027), (4473, 17583), (5861, 13419)]