3557281

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 4591104

約数和(自身を除く): 1033823

約数列:

[1, 7, 13, 31, 91, 97, 169, 217, 403, 679, 1183, 1261, 2821, 3007, 5239, 8827, 16393, 21049, 36673, 39091, 114751, 273637, 508183, 3557281]

約数ペア:

[(1, 3557281), (7, 508183), (13, 273637), (31, 114751), (91, 39091), (97, 36673), (169, 21049), (217, 16393), (403, 8827), (679, 5239), (1183, 3007), (1261, 2821)]