81860949

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 131822240

約数和(自身を除く): 49961291

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1237, 1539, 2451, 3483, 3711, 7353, 11133, 22059, 23503, 33399, 53191, 66177, 70509, 100197, 159573, 211527, 478719, 634581, 1010629, 1436157, 1903743, 3031887, 4308471, 9095661, 27286983, 81860949]

約数ペア:

[(1, 81860949), (3, 27286983), (9, 9095661), (19, 4308471), (27, 3031887), (43, 1903743), (57, 1436157), (81, 1010629), (129, 634581), (171, 478719), (387, 211527), (513, 159573), (817, 100197), (1161, 70509), (1237, 66177), (1539, 53191), (2451, 33399), (3483, 23503), (3711, 22059), (7353, 11133)]