15991830

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{6581}}^1$

素因数の和:6603

約数の個数: 48

約数和(自身を含む): 43125264

約数和(自身を除く): 27133434

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 6581, 13162, 19743, 32905, 39486, 59229, 65810, 98715, 118458, 177687, 197430, 296145, 355374, 533061, 592290, 888435, 1066122, 1599183, 1776870, 2665305, 3198366, 5330610, 7995915, 15991830]

約数ペア:

[(1, 15991830), (2, 7995915), (3, 5330610), (5, 3198366), (6, 2665305), (9, 1776870), (10, 1599183), (15, 1066122), (18, 888435), (27, 592290), (30, 533061), (45, 355374), (54, 296145), (81, 197430), (90, 177687), (135, 118458), (162, 98715), (243, 65810), (270, 59229), (405, 39486), (486, 32905), (810, 19743), (1215, 13162), (2430, 6581)]