85866915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 153280512

約数和(自身を除く): 67413597

約数列:

[1, 3, 5, 15, 17, 41, 43, 51, 85, 123, 129, 191, 205, 215, 255, 573, 615, 645, 697, 731, 955, 1763, 2091, 2193, 2865, 3247, 3485, 3655, 5289, 7831, 8213, 8815, 9741, 10455, 10965, 16235, 23493, 24639, 26445, 29971, 39155, 41065, 48705, 89913, 117465, 123195, 133127, 139621, 149855, 336733, 399381, 418863, 449565, 665635, 698105, 1010199, 1683665, 1996905, 2094315, 5050995, 5724461, 17173383, 28622305, 85866915]

約数ペア:

[(1, 85866915), (3, 28622305), (5, 17173383), (15, 5724461), (17, 5050995), (41, 2094315), (43, 1996905), (51, 1683665), (85, 1010199), (123, 698105), (129, 665635), (191, 449565), (205, 418863), (215, 399381), (255, 336733), (573, 149855), (615, 139621), (645, 133127), (697, 123195), (731, 117465), (955, 89913), (1763, 48705), (2091, 41065), (2193, 39155), (2865, 29971), (3247, 26445), (3485, 24639), (3655, 23493), (5289, 16235), (7831, 10965), (8213, 10455), (8815, 9741)]