31812183

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{30211}}^1$

素因数の和:30236

約数の個数: 20

約数和(自身を含む): 51179128

約数和(自身を除く): 19366945

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 30211, 90633, 271899, 392743, 815697, 1178229, 2447091, 3534687, 10604061, 31812183]

約数ペア:

[(1, 31812183), (3, 10604061), (9, 3534687), (13, 2447091), (27, 1178229), (39, 815697), (81, 392743), (117, 271899), (351, 90633), (1053, 30211)]