31201245

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23909}}^1$

素因数の和:23949

約数の個数: 24

約数和(自身を含む): 55949400

約数和(自身を除く): 24748155

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 23909, 71727, 119545, 215181, 358635, 693361, 1075905, 2080083, 3466805, 6240249, 10400415, 31201245]

約数ペア:

[(1, 31201245), (3, 10400415), (5, 6240249), (9, 3466805), (15, 2080083), (29, 1075905), (45, 693361), (87, 358635), (145, 215181), (261, 119545), (435, 71727), (1305, 23909)]