7121121

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 11146464

約数和(自身を除く): 4025343

約数列:

[1, 3, 7, 21, 49, 147, 193, 251, 579, 753, 1351, 1757, 4053, 5271, 9457, 12299, 28371, 36897, 48443, 145329, 339101, 1017303, 2373707, 7121121]

約数ペア:

[(1, 7121121), (3, 2373707), (7, 1017303), (21, 339101), (49, 145329), (147, 48443), (193, 36897), (251, 28371), (579, 12299), (753, 9457), (1351, 5271), (1757, 4053)]