28528215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3229}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 49612800

約数和(自身を除く): 21084585

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 3229, 8835, 9687, 16145, 48435, 61351, 100099, 184053, 300297, 306755, 500495, 920265, 1501485, 1901881, 5705643, 9509405, 28528215]

約数ペア:

[(1, 28528215), (3, 9509405), (5, 5705643), (15, 1901881), (19, 1501485), (31, 920265), (57, 500495), (93, 306755), (95, 300297), (155, 184053), (285, 100099), (465, 61351), (589, 48435), (1767, 16145), (2945, 9687), (3229, 8835)]