213329985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{2591}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 373248000

約数和(自身を除く): 159918015

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 499, 1497, 2495, 2591, 5489, 7485, 7773, 12955, 16467, 27445, 28501, 38865, 82335, 85503, 142505, 427515, 1292909, 3878727, 6464545, 14221999, 19393635, 42665997, 71109995, 213329985]

約数ペア:

[(1, 213329985), (3, 71109995), (5, 42665997), (11, 19393635), (15, 14221999), (33, 6464545), (55, 3878727), (165, 1292909), (499, 427515), (1497, 142505), (2495, 85503), (2591, 82335), (5489, 38865), (7485, 28501), (7773, 27445), (12955, 16467)]