16490385

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 31130880

約数和(自身を除く): 14640495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2143, 2565, 6429, 7695, 10715, 19287, 32145, 40717, 57861, 96435, 122151, 173583, 203585, 289305, 366453, 610755, 867915, 1099359, 1832265, 3298077, 5496795, 16490385]

約数ペア:

[(1, 16490385), (3, 5496795), (5, 3298077), (9, 1832265), (15, 1099359), (19, 867915), (27, 610755), (45, 366453), (57, 289305), (81, 203585), (95, 173583), (135, 122151), (171, 96435), (285, 57861), (405, 40717), (513, 32145), (855, 19287), (1539, 10715), (2143, 7695), (2565, 6429)]