16718331

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 26791936

約数和(自身を除く): 10073605

約数列:

[1, 3, 7, 21, 31, 61, 93, 183, 217, 421, 427, 651, 1263, 1281, 1891, 2947, 5673, 8841, 13051, 13237, 25681, 39153, 39711, 77043, 91357, 179767, 274071, 539301, 796111, 2388333, 5572777, 16718331]

約数ペア:

[(1, 16718331), (3, 5572777), (7, 2388333), (21, 796111), (31, 539301), (61, 274071), (93, 179767), (183, 91357), (217, 77043), (421, 39711), (427, 39153), (651, 25681), (1263, 13237), (1281, 13051), (1891, 8841), (2947, 5673)]