54920985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 104509440

約数和(自身を除く): 49588455

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 71, 105, 139, 159, 213, 265, 355, 371, 417, 497, 695, 795, 973, 1065, 1113, 1491, 1855, 2085, 2485, 2919, 3763, 4865, 5565, 7367, 7455, 9869, 11289, 14595, 18815, 22101, 26341, 29607, 36835, 49345, 51569, 56445, 69083, 79023, 110505, 131705, 148035, 154707, 207249, 257845, 345415, 395115, 523057, 773535, 1036245, 1569171, 2615285, 3661399, 7845855, 10984197, 18306995, 54920985]

約数ペア:

[(1, 54920985), (3, 18306995), (5, 10984197), (7, 7845855), (15, 3661399), (21, 2615285), (35, 1569171), (53, 1036245), (71, 773535), (105, 523057), (139, 395115), (159, 345415), (213, 257845), (265, 207249), (355, 154707), (371, 148035), (417, 131705), (497, 110505), (695, 79023), (795, 69083), (973, 56445), (1065, 51569), (1113, 49345), (1491, 36835), (1855, 29607), (2085, 26341), (2485, 22101), (2919, 18815), (3763, 14595), (4865, 11289), (5565, 9869), (7367, 7455)]