81531324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323537}}^1$

素因数の和:323554

約数の個数: 36

約数和(自身を含む): 235535664

約数和(自身を除く): 154004340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323537, 647074, 970611, 1294148, 1941222, 2264759, 2911833, 3882444, 4529518, 5823666, 6794277, 9059036, 11647332, 13588554, 20382831, 27177108, 40765662, 81531324]

約数ペア:

[(1, 81531324), (2, 40765662), (3, 27177108), (4, 20382831), (6, 13588554), (7, 11647332), (9, 9059036), (12, 6794277), (14, 5823666), (18, 4529518), (21, 3882444), (28, 2911833), (36, 2264759), (42, 1941222), (63, 1294148), (84, 970611), (126, 647074), (252, 323537)]