71873745

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 119992320

約数和(自身を除く): 48118575

約数列:

[1, 3, 5, 15, 29, 87, 127, 145, 381, 435, 635, 1301, 1905, 3683, 3903, 6505, 11049, 18415, 19515, 37729, 55245, 113187, 165227, 188645, 495681, 565935, 826135, 2478405, 4791583, 14374749, 23957915, 71873745]

約数ペア:

[(1, 71873745), (3, 23957915), (5, 14374749), (15, 4791583), (29, 2478405), (87, 826135), (127, 565935), (145, 495681), (381, 188645), (435, 165227), (635, 113187), (1301, 55245), (1905, 37729), (3683, 19515), (3903, 18415), (6505, 11049)]