28613613

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16544787

約数列:

[1, 3, 7, 21, 41, 123, 167, 199, 287, 501, 597, 861, 1169, 1393, 3507, 4179, 6847, 8159, 20541, 24477, 33233, 47929, 57113, 99699, 143787, 171339, 232631, 697893, 1362553, 4087659, 9537871, 28613613]

約数ペア:

[(1, 28613613), (3, 9537871), (7, 4087659), (21, 1362553), (41, 697893), (123, 232631), (167, 171339), (199, 143787), (287, 99699), (501, 57113), (597, 47929), (861, 33233), (1169, 24477), (1393, 20541), (3507, 8159), (4179, 6847)]