206448345

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 397267200

約数和(自身を除く): 190818855

約数列:

[1, 3, 5, 9, 15, 23, 27, 37, 45, 69, 81, 111, 115, 135, 185, 207, 333, 345, 405, 555, 599, 621, 851, 999, 1035, 1665, 1797, 1863, 2553, 2995, 2997, 3105, 4255, 4995, 5391, 7659, 8985, 9315, 12765, 13777, 14985, 16173, 22163, 22977, 26955, 38295, 41331, 48519, 66489, 68885, 68931, 80865, 110815, 114885, 123993, 199467, 206655, 242595, 332445, 344655, 371979, 509749, 598401, 619965, 997335, 1115937, 1529247, 1795203, 1859895, 2548745, 2992005, 4587741, 5579685, 7646235, 8976015, 13763223, 22938705, 41289669, 68816115, 206448345]

約数ペア:

[(1, 206448345), (3, 68816115), (5, 41289669), (9, 22938705), (15, 13763223), (23, 8976015), (27, 7646235), (37, 5579685), (45, 4587741), (69, 2992005), (81, 2548745), (111, 1859895), (115, 1795203), (135, 1529247), (185, 1115937), (207, 997335), (333, 619965), (345, 598401), (405, 509749), (555, 371979), (599, 344655), (621, 332445), (851, 242595), (999, 206655), (1035, 199467), (1665, 123993), (1797, 114885), (1863, 110815), (2553, 80865), (2995, 68931), (2997, 68885), (3105, 66489), (4255, 48519), (4995, 41331), (5391, 38295), (7659, 26955), (8985, 22977), (9315, 22163), (12765, 16173), (13777, 14985)]