65841255

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 127648224

約数和(自身を除く): 61806969

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 81, 85, 131, 135, 153, 219, 255, 365, 393, 405, 459, 655, 657, 765, 1095, 1179, 1241, 1377, 1965, 1971, 2227, 2295, 3285, 3537, 3723, 5895, 5913, 6205, 6681, 6885, 9563, 9855, 10611, 11135, 11169, 17685, 18615, 20043, 28689, 29565, 33405, 33507, 47815, 53055, 55845, 60129, 86067, 100215, 100521, 143445, 162571, 167535, 180387, 258201, 300645, 430335, 487713, 502605, 774603, 812855, 901935, 1291005, 1463139, 2438565, 3873015, 4389417, 7315695, 13168251, 21947085, 65841255]

約数ペア:

[(1, 65841255), (3, 21947085), (5, 13168251), (9, 7315695), (15, 4389417), (17, 3873015), (27, 2438565), (45, 1463139), (51, 1291005), (73, 901935), (81, 812855), (85, 774603), (131, 502605), (135, 487713), (153, 430335), (219, 300645), (255, 258201), (365, 180387), (393, 167535), (405, 162571), (459, 143445), (655, 100521), (657, 100215), (765, 86067), (1095, 60129), (1179, 55845), (1241, 53055), (1377, 47815), (1965, 33507), (1971, 33405), (2227, 29565), (2295, 28689), (3285, 20043), (3537, 18615), (3723, 17685), (5895, 11169), (5913, 11135), (6205, 10611), (6681, 9855), (6885, 9563)]