28912695

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 54391680

約数和(自身を除く): 25478985

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 283, 417, 695, 735, 849, 973, 1415, 1981, 2085, 2919, 4245, 4865, 5943, 6811, 9905, 13867, 14595, 20433, 29715, 34055, 39337, 41601, 69335, 102165, 118011, 196685, 208005, 275359, 590055, 826077, 1376795, 1927513, 4130385, 5782539, 9637565, 28912695]

約数ペア:

[(1, 28912695), (3, 9637565), (5, 5782539), (7, 4130385), (15, 1927513), (21, 1376795), (35, 826077), (49, 590055), (105, 275359), (139, 208005), (147, 196685), (245, 118011), (283, 102165), (417, 69335), (695, 41601), (735, 39337), (849, 34055), (973, 29715), (1415, 20433), (1981, 14595), (2085, 13867), (2919, 9905), (4245, 6811), (4865, 5943)]