161728623

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5743}}^1$

素因数の和:5908

約数の個数: 32

約数和(自身を含む): 275712000

約数和(自身を除く): 113983377

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 3129, 4023, 5743, 9387, 17229, 28161, 40201, 51687, 120603, 155061, 361809, 855707, 1085427, 2567121, 5989949, 7701363, 17969847, 23104089, 53909541, 161728623]

約数ペア:

[(1, 161728623), (3, 53909541), (7, 23104089), (9, 17969847), (21, 7701363), (27, 5989949), (63, 2567121), (149, 1085427), (189, 855707), (447, 361809), (1043, 155061), (1341, 120603), (3129, 51687), (4023, 40201), (5743, 28161), (9387, 17229)]