201780885

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 345461760

約数和(自身を除く): 143680875

約数列:

[1, 3, 5, 15, 41, 59, 67, 83, 123, 177, 201, 205, 249, 295, 335, 415, 615, 885, 1005, 1245, 2419, 2747, 3403, 3953, 4897, 5561, 7257, 8241, 10209, 11859, 12095, 13735, 14691, 16683, 17015, 19765, 24485, 27805, 36285, 41205, 51045, 59295, 73455, 83415, 162073, 200777, 228001, 328099, 486219, 602331, 684003, 810365, 984297, 1003885, 1140005, 1640495, 2431095, 3011655, 3420015, 4921485, 13452059, 40356177, 67260295, 201780885]

約数ペア:

[(1, 201780885), (3, 67260295), (5, 40356177), (15, 13452059), (41, 4921485), (59, 3420015), (67, 3011655), (83, 2431095), (123, 1640495), (177, 1140005), (201, 1003885), (205, 984297), (249, 810365), (295, 684003), (335, 602331), (415, 486219), (615, 328099), (885, 228001), (1005, 200777), (1245, 162073), (2419, 83415), (2747, 73455), (3403, 59295), (3953, 51045), (4897, 41205), (5561, 36285), (7257, 27805), (8241, 24485), (10209, 19765), (11859, 17015), (12095, 16683), (13735, 14691)]