71687775

素因数分解:

$3^1\times 5^2\times {\mathrm{829}}^1\times {\mathrm{1153}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 118769680

約数和(自身を除く): 47081905

約数列:

[1, 3, 5, 15, 25, 75, 829, 1153, 2487, 3459, 4145, 5765, 12435, 17295, 20725, 28825, 62175, 86475, 955837, 2867511, 4779185, 14337555, 23895925, 71687775]

約数ペア:

[(1, 71687775), (3, 23895925), (5, 14337555), (15, 4779185), (25, 2867511), (75, 955837), (829, 86475), (1153, 62175), (2487, 28825), (3459, 20725), (4145, 17295), (5765, 12435)]