71705235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 140313600

約数和(自身を除く): 68608365

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 139, 255, 289, 357, 417, 595, 695, 867, 973, 1445, 1785, 2023, 2085, 2363, 2919, 4335, 4865, 4913, 6069, 7089, 10115, 11815, 14595, 14739, 16541, 24565, 30345, 34391, 35445, 40171, 49623, 73695, 82705, 103173, 120513, 171955, 200855, 248115, 281197, 515865, 602565, 682907, 843591, 1405985, 2048721, 3414535, 4217955, 4780349, 10243605, 14341047, 23901745, 71705235]

約数ペア:

[(1, 71705235), (3, 23901745), (5, 14341047), (7, 10243605), (15, 4780349), (17, 4217955), (21, 3414535), (35, 2048721), (51, 1405985), (85, 843591), (105, 682907), (119, 602565), (139, 515865), (255, 281197), (289, 248115), (357, 200855), (417, 171955), (595, 120513), (695, 103173), (867, 82705), (973, 73695), (1445, 49623), (1785, 40171), (2023, 35445), (2085, 34391), (2363, 30345), (2919, 24565), (4335, 16541), (4865, 14739), (4913, 14595), (6069, 11815), (7089, 10115)]