901291391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47389}}^1$

素因数の和:47439

約数の個数: 32

約数和(自身を含む): 1273843200

約数和(自身を除く): 372551809

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 19019, 47389, 331723, 521279, 616057, 900391, 3648953, 4312399, 6302737, 6776627, 9904301, 11705083, 47436389, 69330107, 81935581, 128755913, 901291391]

約数ペア:

[(1, 901291391), (7, 128755913), (11, 81935581), (13, 69330107), (19, 47436389), (77, 11705083), (91, 9904301), (133, 6776627), (143, 6302737), (209, 4312399), (247, 3648953), (1001, 900391), (1463, 616057), (1729, 521279), (2717, 331723), (19019, 47389)]