15845557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 20772864

約数和(自身を除く): 4927307

約数列:

[1, 7, 13, 31, 41, 91, 137, 217, 287, 403, 533, 959, 1271, 1781, 2821, 3731, 4247, 5617, 8897, 12467, 16523, 29729, 39319, 55211, 73021, 115661, 174127, 386477, 511147, 1218889, 2263651, 15845557]

約数ペア:

[(1, 15845557), (7, 2263651), (13, 1218889), (31, 511147), (41, 386477), (91, 174127), (137, 115661), (217, 73021), (287, 55211), (403, 39319), (533, 29729), (959, 16523), (1271, 12467), (1781, 8897), (2821, 5617), (3731, 4247)]