27983295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 53314560

約数和(自身を除く): 25331265

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 1423, 2185, 3933, 4269, 6555, 7115, 12807, 19665, 21345, 27037, 32729, 64035, 81111, 98187, 135185, 163645, 243333, 294561, 405555, 490935, 621851, 1216665, 1472805, 1865553, 3109255, 5596659, 9327765, 27983295]

約数ペア:

[(1, 27983295), (3, 9327765), (5, 5596659), (9, 3109255), (15, 1865553), (19, 1472805), (23, 1216665), (45, 621851), (57, 490935), (69, 405555), (95, 294561), (115, 243333), (171, 163645), (207, 135185), (285, 98187), (345, 81111), (437, 64035), (855, 32729), (1035, 27037), (1311, 21345), (1423, 19665), (2185, 12807), (3933, 7115), (4269, 6555)]