61991289

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2677}}^1$

素因数の和:2797

約数の個数: 24

約数和(自身を含む): 93580032

約数和(自身を除く): 31588743

約数列:

[1, 3, 9, 31, 83, 93, 249, 279, 747, 2573, 2677, 7719, 8031, 23157, 24093, 82987, 222191, 248961, 666573, 746883, 1999719, 6887921, 20663763, 61991289]

約数ペア:

[(1, 61991289), (3, 20663763), (9, 6887921), (31, 1999719), (83, 746883), (93, 666573), (249, 248961), (279, 222191), (747, 82987), (2573, 24093), (2677, 23157), (7719, 8031)]