31018185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 59125248

約数和(自身を除く): 28107063

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 223, 281, 495, 669, 843, 1115, 1405, 2007, 2453, 2529, 3091, 3345, 4215, 7359, 9273, 10035, 12265, 12645, 15455, 22077, 27819, 36795, 46365, 62663, 110385, 139095, 187989, 313315, 563967, 689293, 939945, 2067879, 2819835, 3446465, 6203637, 10339395, 31018185]

約数ペア:

[(1, 31018185), (3, 10339395), (5, 6203637), (9, 3446465), (11, 2819835), (15, 2067879), (33, 939945), (45, 689293), (55, 563967), (99, 313315), (165, 187989), (223, 139095), (281, 110385), (495, 62663), (669, 46365), (843, 36795), (1115, 27819), (1405, 22077), (2007, 15455), (2453, 12645), (2529, 12265), (3091, 10035), (3345, 9273), (4215, 7359)]