87638211

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 137479680

約数和(自身を除く): 49841469

約数列:

[1, 3, 9, 23, 67, 69, 71, 89, 201, 207, 213, 267, 603, 639, 801, 1541, 1633, 2047, 4623, 4757, 4899, 5963, 6141, 6319, 13869, 14271, 14697, 17889, 18423, 18957, 42813, 53667, 56871, 109411, 137149, 145337, 328233, 411447, 423373, 436011, 984699, 1234341, 1270119, 1308033, 3810357, 9737579, 29212737, 87638211]

約数ペア:

[(1, 87638211), (3, 29212737), (9, 9737579), (23, 3810357), (67, 1308033), (69, 1270119), (71, 1234341), (89, 984699), (201, 436011), (207, 423373), (213, 411447), (267, 328233), (603, 145337), (639, 137149), (801, 109411), (1541, 56871), (1633, 53667), (2047, 42813), (4623, 18957), (4757, 18423), (4899, 17889), (5963, 14697), (6141, 14271), (6319, 13869)]