81950817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 124121088

約数和(自身を除く): 42170271

約数列:

[1, 3, 13, 23, 39, 69, 103, 299, 309, 887, 897, 1339, 2369, 2661, 4017, 7107, 11531, 20401, 30797, 34593, 61203, 91361, 92391, 265213, 274083, 795639, 1187693, 2101303, 3563079, 6303909, 27316939, 81950817]

約数ペア:

[(1, 81950817), (3, 27316939), (13, 6303909), (23, 3563079), (39, 2101303), (69, 1187693), (103, 795639), (299, 274083), (309, 265213), (887, 92391), (897, 91361), (1339, 61203), (2369, 34593), (2661, 30797), (4017, 20401), (7107, 11531)]