15289547

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 20428800

約数和(自身を除く): 5139253

約数列:

[1, 7, 13, 19, 37, 91, 133, 239, 247, 259, 481, 703, 1673, 1729, 3107, 3367, 4541, 4921, 8843, 9139, 21749, 31787, 59033, 61901, 63973, 114959, 168017, 413231, 804713, 1176119, 2184221, 15289547]

約数ペア:

[(1, 15289547), (7, 2184221), (13, 1176119), (19, 804713), (37, 413231), (91, 168017), (133, 114959), (239, 63973), (247, 61901), (259, 59033), (481, 31787), (703, 21749), (1673, 9139), (1729, 8843), (3107, 4921), (3367, 4541)]