80005401

素因数分解:

$3^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 137649600

約数和(自身を除く): 57644199

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 149, 189, 447, 567, 947, 1043, 1341, 2841, 3129, 4023, 6629, 8523, 9387, 12069, 19887, 25569, 28161, 59661, 76707, 84483, 141103, 178983, 423309, 536949, 987721, 1269927, 2963163, 3809781, 8889489, 11429343, 26668467, 80005401]

約数ペア:

[(1, 80005401), (3, 26668467), (7, 11429343), (9, 8889489), (21, 3809781), (27, 2963163), (63, 1269927), (81, 987721), (149, 536949), (189, 423309), (447, 178983), (567, 141103), (947, 84483), (1043, 76707), (1341, 59661), (2841, 28161), (3129, 25569), (4023, 19887), (6629, 12069), (8523, 9387)]