165686445

素因数分解:

$3^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1231}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 295088640

約数和(自身を除く): 129402195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 997, 1231, 2991, 3693, 4985, 6155, 8973, 11079, 14955, 18465, 26919, 33237, 44865, 55395, 134595, 166185, 1227307, 3681921, 6136535, 11045763, 18409605, 33137289, 55228815, 165686445]

約数ペア:

[(1, 165686445), (3, 55228815), (5, 33137289), (9, 18409605), (15, 11045763), (27, 6136535), (45, 3681921), (135, 1227307), (997, 166185), (1231, 134595), (2991, 55395), (3693, 44865), (4985, 33237), (6155, 26919), (8973, 18465), (11079, 14955)]