28620795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 26536965

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 53, 105, 111, 139, 159, 185, 259, 265, 371, 417, 555, 695, 777, 795, 973, 1113, 1295, 1855, 1961, 2085, 2919, 3885, 4865, 5143, 5565, 5883, 7367, 9805, 13727, 14595, 15429, 22101, 25715, 29415, 36001, 36835, 41181, 51569, 68635, 77145, 108003, 110505, 154707, 180005, 205905, 257845, 272579, 540015, 773535, 817737, 1362895, 1908053, 4088685, 5724159, 9540265, 28620795]

約数ペア:

[(1, 28620795), (3, 9540265), (5, 5724159), (7, 4088685), (15, 1908053), (21, 1362895), (35, 817737), (37, 773535), (53, 540015), (105, 272579), (111, 257845), (139, 205905), (159, 180005), (185, 154707), (259, 110505), (265, 108003), (371, 77145), (417, 68635), (555, 51569), (695, 41181), (777, 36835), (795, 36001), (973, 29415), (1113, 25715), (1295, 22101), (1855, 15429), (1961, 14595), (2085, 13727), (2919, 9805), (3885, 7367), (4865, 5883), (5143, 5565)]