138732021

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{659}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 218496960

約数和(自身を除く): 79764939

約数列:

[1, 3, 9, 23, 27, 69, 81, 113, 207, 339, 621, 659, 1017, 1863, 1977, 2599, 3051, 5931, 7797, 9153, 15157, 17793, 23391, 45471, 53379, 70173, 74467, 136413, 210519, 223401, 409239, 670203, 1227717, 1712741, 2010609, 5138223, 6031827, 15414669, 46244007, 138732021]

約数ペア:

[(1, 138732021), (3, 46244007), (9, 15414669), (23, 6031827), (27, 5138223), (69, 2010609), (81, 1712741), (113, 1227717), (207, 670203), (339, 409239), (621, 223401), (659, 210519), (1017, 136413), (1863, 74467), (1977, 70173), (2599, 53379), (3051, 45471), (5931, 23391), (7797, 17793), (9153, 15157)]