28883865

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 48197376

約数和(自身を除く): 19313511

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 733, 1065, 2199, 2627, 3665, 7881, 10995, 13135, 27121, 39405, 52043, 81363, 135605, 156129, 260215, 406815, 780645, 1925591, 5776773, 9627955, 28883865]

約数ペア:

[(1, 28883865), (3, 9627955), (5, 5776773), (15, 1925591), (37, 780645), (71, 406815), (111, 260215), (185, 156129), (213, 135605), (355, 81363), (555, 52043), (733, 39405), (1065, 27121), (2199, 13135), (2627, 10995), (3665, 7881)]