71313291

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4385

約数の個数: 40

約数和(自身を含む): 125975520

約数和(自身を除く): 54662229

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 4337, 5481, 13011, 16443, 30359, 39033, 91077, 117099, 125773, 273231, 351297, 377319, 819693, 880411, 1131957, 2459079, 2641233, 3395871, 7923699, 10187613, 23771097, 71313291]

約数ペア:

[(1, 71313291), (3, 23771097), (7, 10187613), (9, 7923699), (21, 3395871), (27, 2641233), (29, 2459079), (63, 1131957), (81, 880411), (87, 819693), (189, 377319), (203, 351297), (261, 273231), (567, 125773), (609, 117099), (783, 91077), (1827, 39033), (2349, 30359), (4337, 16443), (5481, 13011)]