78434775

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{7417}}^1$

素因数の和:7480

約数の個数: 36

約数和(自身を含む): 143493792

約数和(自身を除く): 65059017

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 7417, 10575, 22251, 37085, 66753, 111255, 185425, 333765, 348599, 556275, 1045797, 1668825, 1742995, 3137391, 5228985, 8714975, 15686955, 26144925, 78434775]

約数ペア:

[(1, 78434775), (3, 26144925), (5, 15686955), (9, 8714975), (15, 5228985), (25, 3137391), (45, 1742995), (47, 1668825), (75, 1045797), (141, 556275), (225, 348599), (235, 333765), (423, 185425), (705, 111255), (1175, 66753), (2115, 37085), (3525, 22251), (7417, 10575)]