51009945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^2$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 101560512

約数和(自身を除く): 50550567

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 41, 51, 85, 105, 119, 123, 205, 255, 287, 289, 357, 595, 615, 697, 861, 867, 1435, 1445, 1681, 1785, 2023, 2091, 3485, 4305, 4335, 4879, 5043, 6069, 8405, 10115, 10455, 11767, 11849, 14637, 24395, 25215, 28577, 30345, 35301, 35547, 58835, 59245, 73185, 82943, 85731, 142885, 176505, 177735, 200039, 248829, 414715, 428655, 485809, 600117, 1000195, 1244145, 1457427, 2429045, 3000585, 3400663, 7287135, 10201989, 17003315, 51009945]

約数ペア:

[(1, 51009945), (3, 17003315), (5, 10201989), (7, 7287135), (15, 3400663), (17, 3000585), (21, 2429045), (35, 1457427), (41, 1244145), (51, 1000195), (85, 600117), (105, 485809), (119, 428655), (123, 414715), (205, 248829), (255, 200039), (287, 177735), (289, 176505), (357, 142885), (595, 85731), (615, 82943), (697, 73185), (861, 59245), (867, 58835), (1435, 35547), (1445, 35301), (1681, 30345), (1785, 28577), (2023, 25215), (2091, 24395), (3485, 14637), (4305, 11849), (4335, 11767), (4879, 10455), (5043, 10115), (6069, 8405)]