81278409

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{1307}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 114266880

約数和(自身を除く): 32988471

約数列:

[1, 3, 19, 57, 1091, 1307, 3273, 3921, 20729, 24833, 62187, 74499, 1425937, 4277811, 27092803, 81278409]

約数ペア:

[(1, 81278409), (3, 27092803), (19, 4277811), (57, 1425937), (1091, 74499), (1307, 62187), (3273, 24833), (3921, 20729)]