3990615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 6842880

約数和(自身を除く): 2852265

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 269, 345, 645, 807, 989, 1345, 2967, 4035, 4945, 6187, 11567, 14835, 18561, 30935, 34701, 57835, 92805, 173505, 266041, 798123, 1330205, 3990615]

約数ペア:

[(1, 3990615), (3, 1330205), (5, 798123), (15, 266041), (23, 173505), (43, 92805), (69, 57835), (115, 34701), (129, 30935), (215, 18561), (269, 14835), (345, 11567), (645, 6187), (807, 4945), (989, 4035), (1345, 2967)]