65221443

素因数分解:

$3^6\times 7^1\times {\mathrm{12781}}^1$

素因数の和:12806

約数の個数: 28

約数和(自身を含む): 111765808

約数和(自身を除く): 46544365

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 12781, 38343, 89467, 115029, 268401, 345087, 805203, 1035261, 2415609, 3105783, 7246827, 9317349, 21740481, 65221443]

約数ペア:

[(1, 65221443), (3, 21740481), (7, 9317349), (9, 7246827), (21, 3105783), (27, 2415609), (63, 1035261), (81, 805203), (189, 345087), (243, 268401), (567, 115029), (729, 89467), (1701, 38343), (5103, 12781)]