551005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 833112

約数和(自身を除く): 282107

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 173, 245, 455, 637, 865, 1211, 2249, 3185, 6055, 8477, 11245, 15743, 42385, 78715, 110201, 551005]

約数ペア:

[(1, 551005), (5, 110201), (7, 78715), (13, 42385), (35, 15743), (49, 11245), (65, 8477), (91, 6055), (173, 3185), (245, 2249), (455, 1211), (637, 865)]