71455713

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 121651200

約数和(自身を除く): 50195487

約数列:

[1, 3, 7, 19, 21, 31, 53, 57, 93, 109, 133, 159, 217, 327, 371, 399, 589, 651, 763, 1007, 1113, 1643, 1767, 2071, 2289, 3021, 3379, 4123, 4929, 5777, 6213, 7049, 10137, 11501, 12369, 14497, 17331, 21147, 23653, 31217, 34503, 40439, 43491, 64201, 70959, 93651, 109763, 121317, 179087, 192603, 218519, 329289, 449407, 537261, 655557, 768341, 1253609, 1348221, 2305023, 3402653, 3760827, 10207959, 23818571, 71455713]

約数ペア:

[(1, 71455713), (3, 23818571), (7, 10207959), (19, 3760827), (21, 3402653), (31, 2305023), (53, 1348221), (57, 1253609), (93, 768341), (109, 655557), (133, 537261), (159, 449407), (217, 329289), (327, 218519), (371, 192603), (399, 179087), (589, 121317), (651, 109763), (763, 93651), (1007, 70959), (1113, 64201), (1643, 43491), (1767, 40439), (2071, 34503), (2289, 31217), (3021, 23653), (3379, 21147), (4123, 17331), (4929, 14497), (5777, 12369), (6213, 11501), (7049, 10137)]