42820731

素因数分解:

$3^6\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 28

約数和(自身を含む): 64793040

約数和(自身を除く): 21972309

約数列:

[1, 3, 9, 27, 81, 151, 243, 389, 453, 729, 1167, 1359, 3501, 4077, 10503, 12231, 31509, 36693, 58739, 94527, 110079, 176217, 283581, 528651, 1585953, 4757859, 14273577, 42820731]

約数ペア:

[(1, 42820731), (3, 14273577), (9, 4757859), (27, 1585953), (81, 528651), (151, 283581), (243, 176217), (389, 110079), (453, 94527), (729, 58739), (1167, 36693), (1359, 31509), (3501, 12231), (4077, 10503)]