72175779

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{68543}}^1$

素因数の和:68568

約数の個数: 20

約数和(自身を含む): 116113536

約数和(自身を除く): 43937757

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 68543, 205629, 616887, 891059, 1850661, 2673177, 5551983, 8019531, 24058593, 72175779]

約数ペア:

[(1, 72175779), (3, 24058593), (9, 8019531), (13, 5551983), (27, 2673177), (39, 1850661), (81, 891059), (117, 616887), (351, 205629), (1053, 68543)]