1900132005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{90289}}^1$

素因数の和:90381

約数の個数: 32

約数和(自身を含む): 3224436480

約数和(自身を除く): 1324304475

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 4209, 7015, 21045, 90289, 270867, 451445, 1354335, 2076647, 5507629, 6229941, 10383235, 16522887, 27538145, 31149705, 82614435, 126675467, 380026401, 633377335, 1900132005]

約数ペア:

[(1, 1900132005), (3, 633377335), (5, 380026401), (15, 126675467), (23, 82614435), (61, 31149705), (69, 27538145), (115, 16522887), (183, 10383235), (305, 6229941), (345, 5507629), (915, 2076647), (1403, 1354335), (4209, 451445), (7015, 270867), (21045, 90289)]