2599995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 4435200

約数和(自身を除く): 1835205

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 139, 145, 215, 417, 435, 645, 695, 1247, 2085, 3741, 4031, 5977, 6235, 12093, 17931, 18705, 20155, 29885, 60465, 89655, 173333, 519999, 866665, 2599995]

約数ペア:

[(1, 2599995), (3, 866665), (5, 519999), (15, 173333), (29, 89655), (43, 60465), (87, 29885), (129, 20155), (139, 18705), (145, 17931), (215, 12093), (417, 6235), (435, 5977), (645, 4031), (695, 3741), (1247, 2085)]