26977815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 22817385

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 139, 171, 227, 285, 417, 681, 695, 855, 1135, 1251, 2043, 2085, 2641, 3405, 4313, 6255, 7923, 10215, 12939, 13205, 21565, 23769, 31553, 38817, 39615, 64695, 94659, 118845, 157765, 194085, 283977, 473295, 599507, 1419885, 1798521, 2997535, 5395563, 8992605, 26977815]

約数ペア:

[(1, 26977815), (3, 8992605), (5, 5395563), (9, 2997535), (15, 1798521), (19, 1419885), (45, 599507), (57, 473295), (95, 283977), (139, 194085), (171, 157765), (227, 118845), (285, 94659), (417, 64695), (681, 39615), (695, 38817), (855, 31553), (1135, 23769), (1251, 21565), (2043, 13205), (2085, 12939), (2641, 10215), (3405, 7923), (4313, 6255)]