81996345

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{18041}}^1$

素因数の和:18153

約数の個数: 24

約数和(自身を含む): 143542152

約数和(自身を除く): 61545807

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 18041, 54123, 90205, 162369, 270615, 811845, 1822141, 5466423, 9110705, 16399269, 27332115, 81996345]

約数ペア:

[(1, 81996345), (3, 27332115), (5, 16399269), (9, 9110705), (15, 5466423), (45, 1822141), (101, 811845), (303, 270615), (505, 162369), (909, 90205), (1515, 54123), (4545, 18041)]