248971815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{190783}}^1$

素因数の和:190823

約数の個数: 24

約数和(自身を含む): 446434560

約数和(自身を除く): 197462745

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 190783, 572349, 953915, 1717047, 2861745, 5532707, 8585235, 16598121, 27663535, 49794363, 82990605, 248971815]

約数ペア:

[(1, 248971815), (3, 82990605), (5, 49794363), (9, 27663535), (15, 16598121), (29, 8585235), (45, 5532707), (87, 2861745), (145, 1717047), (261, 953915), (435, 572349), (1305, 190783)]