201914217

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 320681088

約数和(自身を除く): 118766871

約数列:

[1, 3, 9, 23, 37, 41, 69, 111, 123, 207, 333, 369, 643, 851, 943, 1517, 1929, 2553, 2829, 4551, 5787, 7659, 8487, 13653, 14789, 23791, 26363, 34891, 44367, 71373, 79089, 104673, 133101, 214119, 237267, 314019, 547193, 606349, 975431, 1641579, 1819047, 2926293, 4924737, 5457141, 8778879, 22434913, 67304739, 201914217]

約数ペア:

[(1, 201914217), (3, 67304739), (9, 22434913), (23, 8778879), (37, 5457141), (41, 4924737), (69, 2926293), (111, 1819047), (123, 1641579), (207, 975431), (333, 606349), (369, 547193), (643, 314019), (851, 237267), (943, 214119), (1517, 133101), (1929, 104673), (2553, 79089), (2829, 71373), (4551, 44367), (5787, 34891), (7659, 26363), (8487, 23791), (13653, 14789)]