81145403

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 94556160

約数和(自身を除く): 13410757

約数列:

[1, 17, 23, 37, 71, 79, 391, 629, 851, 1207, 1343, 1633, 1817, 2627, 2923, 5609, 14467, 27761, 30889, 44659, 49691, 60421, 67229, 95353, 129007, 207533, 1027157, 1142893, 2193119, 3528061, 4773259, 81145403]

約数ペア:

[(1, 81145403), (17, 4773259), (23, 3528061), (37, 2193119), (71, 1142893), (79, 1027157), (391, 207533), (629, 129007), (851, 95353), (1207, 67229), (1343, 60421), (1633, 49691), (1817, 44659), (2627, 30889), (2923, 27761), (5609, 14467)]