39720075

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31153}}^1$

素因数の和:31183

約数の個数: 24

約数和(自身を含む): 69535728

約数和(自身を除く): 29815653

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 31153, 93459, 155765, 467295, 529601, 778825, 1588803, 2336475, 2648005, 7944015, 13240025, 39720075]

約数ペア:

[(1, 39720075), (3, 13240025), (5, 7944015), (15, 2648005), (17, 2336475), (25, 1588803), (51, 778825), (75, 529601), (85, 467295), (255, 155765), (425, 93459), (1275, 31153)]