81840276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324763}}^1$

素因数の和:324780

約数の個数: 36

約数和(自身を含む): 236428192

約数和(自身を除く): 154587916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324763, 649526, 974289, 1299052, 1948578, 2273341, 2922867, 3897156, 4546682, 5845734, 6820023, 9093364, 11691468, 13640046, 20460069, 27280092, 40920138, 81840276]

約数ペア:

[(1, 81840276), (2, 40920138), (3, 27280092), (4, 20460069), (6, 13640046), (7, 11691468), (9, 9093364), (12, 6820023), (14, 5845734), (18, 4546682), (21, 3897156), (28, 2922867), (36, 2273341), (42, 1948578), (63, 1299052), (84, 974289), (126, 649526), (252, 324763)]