81493156971

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{79}}^1\times {\mathrm{20663}}^1$

素因数の和:20837

約数の個数: 48

約数和(自身を含む): 125174246400

約数和(自身を除く): 43681089429

約数列:

[1, 3, 9, 27, 43, 79, 129, 237, 387, 711, 1161, 1849, 2133, 3397, 5547, 10191, 16641, 20663, 30573, 49923, 61989, 91719, 146071, 185967, 438213, 557901, 888509, 1314639, 1632377, 2665527, 3943917, 4897131, 7996581, 14691393, 23989743, 38205887, 44074179, 70192211, 114617661, 210576633, 343852983, 631729899, 1031558949, 1895189697, 3018265073, 9054795219, 27164385657, 81493156971]

約数ペア:

[(1, 81493156971), (3, 27164385657), (9, 9054795219), (27, 3018265073), (43, 1895189697), (79, 1031558949), (129, 631729899), (237, 343852983), (387, 210576633), (711, 114617661), (1161, 70192211), (1849, 44074179), (2133, 38205887), (3397, 23989743), (5547, 14691393), (10191, 7996581), (16641, 4897131), (20663, 3943917), (30573, 2665527), (49923, 1632377), (61989, 1314639), (91719, 888509), (146071, 557901), (185967, 438213)]