28249215

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 19059585

約数列:

[1, 3, 5, 15, 31, 79, 93, 155, 237, 395, 465, 769, 1185, 2307, 2449, 3845, 7347, 11535, 12245, 23839, 36735, 60751, 71517, 119195, 182253, 303755, 357585, 911265, 1883281, 5649843, 9416405, 28249215]

約数ペア:

[(1, 28249215), (3, 9416405), (5, 5649843), (15, 1883281), (31, 911265), (79, 357585), (93, 303755), (155, 182253), (237, 119195), (395, 71517), (465, 60751), (769, 36735), (1185, 23839), (2307, 12245), (2449, 11535), (3845, 7347)]