81279324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{322537}}^1$

素因数の和:322554

約数の個数: 36

約数和(自身を含む): 234807664

約数和(自身を除く): 153528340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 322537, 645074, 967611, 1290148, 1935222, 2257759, 2902833, 3870444, 4515518, 5805666, 6773277, 9031036, 11611332, 13546554, 20319831, 27093108, 40639662, 81279324]

約数ペア:

[(1, 81279324), (2, 40639662), (3, 27093108), (4, 20319831), (6, 13546554), (7, 11611332), (9, 9031036), (12, 6773277), (14, 5805666), (18, 4515518), (21, 3870444), (28, 2902833), (36, 2257759), (42, 1935222), (63, 1290148), (84, 967611), (126, 645074), (252, 322537)]