202028985

素因数分解:

$3^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 365129856

約数和(自身を除く): 163100871

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 257, 405, 647, 771, 1215, 1285, 1941, 2313, 3235, 3855, 5823, 6939, 9705, 11565, 17469, 20817, 29115, 34695, 52407, 62451, 87345, 104085, 157221, 166279, 262035, 312255, 498837, 786105, 831395, 1496511, 2494185, 4489533, 7482555, 13468599, 22447665, 40405797, 67342995, 202028985]

約数ペア:

[(1, 202028985), (3, 67342995), (5, 40405797), (9, 22447665), (15, 13468599), (27, 7482555), (45, 4489533), (81, 2494185), (135, 1496511), (243, 831395), (257, 786105), (405, 498837), (647, 312255), (771, 262035), (1215, 166279), (1285, 157221), (1941, 104085), (2313, 87345), (3235, 62451), (3855, 52407), (5823, 34695), (6939, 29115), (9705, 20817), (11565, 17469)]