403940007

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{2531}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 627125760

約数和(自身を除く): 223185753

約数列:

[1, 3, 9, 23, 27, 69, 207, 257, 621, 771, 2313, 2531, 5911, 6939, 7593, 17733, 22779, 53199, 58213, 68337, 159597, 174639, 523917, 650467, 1571751, 1951401, 5854203, 14960741, 17562609, 44882223, 134646669, 403940007]

約数ペア:

[(1, 403940007), (3, 134646669), (9, 44882223), (23, 17562609), (27, 14960741), (69, 5854203), (207, 1951401), (257, 1571751), (621, 650467), (771, 523917), (2313, 174639), (2531, 159597), (5911, 68337), (6939, 58213), (7593, 53199), (17733, 22779)]