7647387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 11784960

約数和(自身を除く): 4137573

約数列:

[1, 3, 11, 29, 33, 61, 87, 131, 183, 319, 393, 671, 957, 1441, 1769, 2013, 3799, 4323, 5307, 7991, 11397, 19459, 23973, 41789, 58377, 87901, 125367, 231739, 263703, 695217, 2549129, 7647387]

約数ペア:

[(1, 7647387), (3, 2549129), (11, 695217), (29, 263703), (33, 231739), (61, 125367), (87, 87901), (131, 58377), (183, 41789), (319, 23973), (393, 19459), (671, 11397), (957, 7991), (1441, 5307), (1769, 4323), (2013, 3799)]