16195455

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 29450304

約数和(自身を除く): 13254849

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 137, 185, 213, 333, 355, 411, 555, 639, 685, 1065, 1233, 1665, 2055, 2627, 3195, 5069, 6165, 7881, 9727, 13135, 15207, 23643, 25345, 29181, 39405, 45621, 48635, 76035, 87543, 118215, 145905, 228105, 359899, 437715, 1079697, 1799495, 3239091, 5398485, 16195455]

約数ペア:

[(1, 16195455), (3, 5398485), (5, 3239091), (9, 1799495), (15, 1079697), (37, 437715), (45, 359899), (71, 228105), (111, 145905), (137, 118215), (185, 87543), (213, 76035), (333, 48635), (355, 45621), (411, 39405), (555, 29181), (639, 25345), (685, 23643), (1065, 15207), (1233, 13135), (1665, 9727), (2055, 7881), (2627, 6165), (3195, 5069)]