64191405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13249}}^1$

素因数の和:13293

約数の個数: 32

約数和(自身を含む): 114480000

約数和(自身を除く): 50288595

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 13249, 39747, 66245, 198735, 225233, 251731, 675699, 755193, 1126165, 1258655, 3378495, 3775965, 4279427, 12838281, 21397135, 64191405]

約数ペア:

[(1, 64191405), (3, 21397135), (5, 12838281), (15, 4279427), (17, 3775965), (19, 3378495), (51, 1258655), (57, 1126165), (85, 755193), (95, 675699), (255, 251731), (285, 225233), (323, 198735), (969, 66245), (1615, 39747), (4845, 13249)]