81206895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70309}}^1$

素因数の和:70335

約数の個数: 32

約数和(自身を含む): 161994240

約数和(自身を除く): 80787345

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 70309, 210927, 351545, 492163, 773399, 1054635, 1476489, 2320197, 2460815, 3866995, 5413793, 7382445, 11600985, 16241379, 27068965, 81206895]

約数ペア:

[(1, 81206895), (3, 27068965), (5, 16241379), (7, 11600985), (11, 7382445), (15, 5413793), (21, 3866995), (33, 2460815), (35, 2320197), (55, 1476489), (77, 1054635), (105, 773399), (165, 492163), (231, 351545), (385, 210927), (1155, 70309)]