1303939

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 1723680

約数和(自身を除く): 419741

約数列:

[1, 7, 13, 23, 49, 89, 91, 161, 299, 623, 637, 1127, 1157, 2047, 2093, 4361, 8099, 14329, 14651, 26611, 56693, 100303, 186277, 1303939]

約数ペア:

[(1, 1303939), (7, 186277), (13, 100303), (23, 56693), (49, 26611), (89, 14651), (91, 14329), (161, 8099), (299, 4361), (623, 2093), (637, 2047), (1127, 1157)]