18072045

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 14241555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 509, 789, 1315, 1527, 2367, 2545, 3945, 4581, 7101, 7635, 11835, 13743, 22905, 35505, 68715, 133867, 401601, 669335, 1204803, 2008005, 3614409, 6024015, 18072045]

約数ペア:

[(1, 18072045), (3, 6024015), (5, 3614409), (9, 2008005), (15, 1204803), (27, 669335), (45, 401601), (135, 133867), (263, 68715), (509, 35505), (789, 22905), (1315, 13743), (1527, 11835), (2367, 7635), (2545, 7101), (3945, 4581)]