847986928995

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^2\times {\mathrm{18211}}^1$

素因数の和:18780

約数の個数: 48

約数和(自身を含む): 1391135712768

約数和(自身を除く): 543148783773

約数列:

[1, 3, 5, 15, 47, 141, 235, 257, 705, 771, 1285, 3855, 12079, 18211, 36237, 54633, 60395, 66049, 91055, 181185, 198147, 273165, 330245, 855917, 990735, 2567751, 3104303, 4279585, 4680227, 9312909, 12838755, 14040681, 15521515, 23401135, 46564545, 70203405, 219970669, 659912007, 1099853345, 1202818339, 3299560035, 3608455017, 6014091695, 18042275085, 56532461933, 169597385799, 282662309665, 847986928995]

約数ペア:

[(1, 847986928995), (3, 282662309665), (5, 169597385799), (15, 56532461933), (47, 18042275085), (141, 6014091695), (235, 3608455017), (257, 3299560035), (705, 1202818339), (771, 1099853345), (1285, 659912007), (3855, 219970669), (12079, 70203405), (18211, 46564545), (36237, 23401135), (54633, 15521515), (60395, 14040681), (66049, 12838755), (91055, 9312909), (181185, 4680227), (198147, 4279585), (273165, 3104303), (330245, 2567751), (855917, 990735)]