18216735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 30379008

約数和(自身を除く): 12162273

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 463, 645, 915, 1389, 2315, 2623, 6945, 7869, 13115, 19909, 28243, 39345, 59727, 84729, 99545, 141215, 298635, 423645, 1214449, 3643347, 6072245, 18216735]

約数ペア:

[(1, 18216735), (3, 6072245), (5, 3643347), (15, 1214449), (43, 423645), (61, 298635), (129, 141215), (183, 99545), (215, 84729), (305, 59727), (463, 39345), (645, 28243), (915, 19909), (1389, 13115), (2315, 7869), (2623, 6945)]