16282791

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 28887040

約数和(自身を除く): 12604249

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 223, 399, 427, 549, 669, 1159, 1197, 1281, 1561, 2007, 3477, 3843, 4237, 4683, 8113, 10431, 12711, 13603, 14049, 24339, 29659, 38133, 40809, 73017, 88977, 95221, 122427, 258457, 266931, 285663, 775371, 856989, 1809199, 2326113, 5427597, 16282791]

約数ペア:

[(1, 16282791), (3, 5427597), (7, 2326113), (9, 1809199), (19, 856989), (21, 775371), (57, 285663), (61, 266931), (63, 258457), (133, 122427), (171, 95221), (183, 88977), (223, 73017), (399, 40809), (427, 38133), (549, 29659), (669, 24339), (1159, 14049), (1197, 13603), (1281, 12711), (1561, 10431), (2007, 8113), (3477, 4683), (3843, 4237)]