15403661

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 20428800

約数和(自身を除く): 5025139

約数列:

[1, 7, 13, 19, 59, 91, 133, 151, 247, 413, 767, 1057, 1121, 1729, 1963, 2869, 5369, 7847, 8909, 13741, 14573, 20083, 37297, 62363, 102011, 115817, 169271, 261079, 810719, 1184897, 2200523, 15403661]

約数ペア:

[(1, 15403661), (7, 2200523), (13, 1184897), (19, 810719), (59, 261079), (91, 169271), (133, 115817), (151, 102011), (247, 62363), (413, 37297), (767, 20083), (1057, 14573), (1121, 13741), (1729, 8909), (1963, 7847), (2869, 5369)]