28924317

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 45711360

約数和(自身を除く): 16787043

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 991, 1081, 1269, 2973, 3243, 8919, 9729, 22793, 26757, 29187, 46577, 68379, 139731, 205137, 419193, 615411, 1071271, 1257579, 3213813, 9641439, 28924317]

約数ペア:

[(1, 28924317), (3, 9641439), (9, 3213813), (23, 1257579), (27, 1071271), (47, 615411), (69, 419193), (141, 205137), (207, 139731), (423, 68379), (621, 46577), (991, 29187), (1081, 26757), (1269, 22793), (2973, 9729), (3243, 8919)]