81183711

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{991}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 127991808

約数和(自身を除く): 46808097

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 581, 987, 991, 1743, 2973, 3901, 6937, 11703, 20811, 27307, 46577, 81921, 82253, 139731, 246759, 326039, 575771, 978117, 1727313, 3865891, 11597673, 27061237, 81183711]

約数ペア:

[(1, 81183711), (3, 27061237), (7, 11597673), (21, 3865891), (47, 1727313), (83, 978117), (141, 575771), (249, 326039), (329, 246759), (581, 139731), (987, 82253), (991, 81921), (1743, 46577), (2973, 27307), (3901, 20811), (6937, 11703)]