81272898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645023}}^1$

素因数の和:645038

約数の個数: 24

約数和(自身を含む): 201247488

約数和(自身を除く): 119974590

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645023, 1290046, 1935069, 3870138, 4515161, 5805207, 9030322, 11610414, 13545483, 27090966, 40636449, 81272898]

約数ペア:

[(1, 81272898), (2, 40636449), (3, 27090966), (6, 13545483), (7, 11610414), (9, 9030322), (14, 5805207), (18, 4515161), (21, 3870138), (42, 1935069), (63, 1290046), (126, 645023)]