15697409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 20885760

約数和(自身を除く): 5188351

約数列:

[1, 7, 13, 17, 73, 91, 119, 139, 221, 511, 949, 973, 1241, 1547, 1807, 2363, 6643, 8687, 10147, 12649, 16133, 16541, 30719, 71029, 112931, 131911, 172499, 215033, 923377, 1207493, 2242487, 15697409]

約数ペア:

[(1, 15697409), (7, 2242487), (13, 1207493), (17, 923377), (73, 215033), (91, 172499), (119, 131911), (139, 112931), (221, 71029), (511, 30719), (949, 16541), (973, 16133), (1241, 12649), (1547, 10147), (1807, 8687), (2363, 6643)]