81581256

素因数分解:

$2^3\times 3^4\times {\mathrm{125897}}^1$

素因数の和:125915

約数の個数: 40

約数和(自身を含む): 228504870

約数和(自身を除く): 146923614

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 125897, 251794, 377691, 503588, 755382, 1007176, 1133073, 1510764, 2266146, 3021528, 3399219, 4532292, 6798438, 9064584, 10197657, 13596876, 20395314, 27193752, 40790628, 81581256]

約数ペア:

[(1, 81581256), (2, 40790628), (3, 27193752), (4, 20395314), (6, 13596876), (8, 10197657), (9, 9064584), (12, 6798438), (18, 4532292), (24, 3399219), (27, 3021528), (36, 2266146), (54, 1510764), (72, 1133073), (81, 1007176), (108, 755382), (162, 503588), (216, 377691), (324, 251794), (648, 125897)]