198750621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{463}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 296663040

約数和(自身を除く): 97912419

約数列:

[1, 3, 17, 19, 51, 57, 323, 443, 463, 969, 1329, 1389, 7531, 7871, 8417, 8797, 22593, 23613, 25251, 26391, 143089, 149549, 205109, 429267, 448647, 615327, 3486853, 3897071, 10460559, 11691213, 66250207, 198750621]

約数ペア:

[(1, 198750621), (3, 66250207), (17, 11691213), (19, 10460559), (51, 3897071), (57, 3486853), (323, 615327), (443, 448647), (463, 429267), (969, 205109), (1329, 149549), (1389, 143089), (7531, 26391), (7871, 25251), (8417, 23613), (8797, 22593)]