71784765

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40903}}^1$

素因数の和:40930

約数の個数: 32

約数和(自身を含む): 137437440

約数和(自身を除く): 65652675

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 40903, 122709, 204515, 368127, 531739, 613545, 1104381, 1595217, 1840635, 2658695, 4785651, 5521905, 7976085, 14356953, 23928255, 71784765]

約数ペア:

[(1, 71784765), (3, 23928255), (5, 14356953), (9, 7976085), (13, 5521905), (15, 4785651), (27, 2658695), (39, 1840635), (45, 1595217), (65, 1104381), (117, 613545), (135, 531739), (195, 368127), (351, 204515), (585, 122709), (1755, 40903)]