7799985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 14414400

約数和(自身を除く): 6614415

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 139, 145, 215, 261, 387, 417, 435, 645, 695, 1247, 1251, 1305, 1935, 2085, 3741, 4031, 5977, 6235, 6255, 11223, 12093, 17931, 18705, 20155, 29885, 36279, 53793, 56115, 60465, 89655, 173333, 181395, 268965, 519999, 866665, 1559997, 2599995, 7799985]

約数ペア:

[(1, 7799985), (3, 2599995), (5, 1559997), (9, 866665), (15, 519999), (29, 268965), (43, 181395), (45, 173333), (87, 89655), (129, 60465), (139, 56115), (145, 53793), (215, 36279), (261, 29885), (387, 20155), (417, 18705), (435, 17931), (645, 12093), (695, 11223), (1247, 6255), (1251, 6235), (1305, 5977), (1935, 4031), (2085, 3741)]