71298765

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 137272320

約数和(自身を除く): 65973555

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 85, 135, 141, 153, 235, 255, 423, 459, 661, 705, 765, 799, 1269, 1983, 2115, 2295, 2397, 3305, 3995, 5949, 6345, 7191, 9915, 11237, 11985, 17847, 21573, 29745, 31067, 33711, 35955, 56185, 89235, 93201, 101133, 107865, 155335, 168555, 279603, 303399, 466005, 505665, 528139, 838809, 1398015, 1516995, 1584417, 2640695, 4194045, 4753251, 7922085, 14259753, 23766255, 71298765]

約数ペア:

[(1, 71298765), (3, 23766255), (5, 14259753), (9, 7922085), (15, 4753251), (17, 4194045), (27, 2640695), (45, 1584417), (47, 1516995), (51, 1398015), (85, 838809), (135, 528139), (141, 505665), (153, 466005), (235, 303399), (255, 279603), (423, 168555), (459, 155335), (661, 107865), (705, 101133), (765, 93201), (799, 89235), (1269, 56185), (1983, 35955), (2115, 33711), (2295, 31067), (2397, 29745), (3305, 21573), (3995, 17847), (5949, 11985), (6345, 11237), (7191, 9915)]