720285426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{1905517}}^1$

素因数の和:1905535

約数の個数: 32

約数和(自身を含む): 1829297280

約数和(自身を除く): 1109011854

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 1905517, 3811034, 5716551, 11433102, 13338619, 17149653, 26677238, 34299306, 40015857, 51448959, 80031714, 102897918, 120047571, 240095142, 360142713, 720285426]

約数ペア:

[(1, 720285426), (2, 360142713), (3, 240095142), (6, 120047571), (7, 102897918), (9, 80031714), (14, 51448959), (18, 40015857), (21, 34299306), (27, 26677238), (42, 17149653), (54, 13338619), (63, 11433102), (126, 5716551), (189, 3811034), (378, 1905517)]