217892079

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 329341440

約数和(自身を除く): 111449361

約数列:

[1, 3, 9, 27, 73, 219, 227, 487, 657, 681, 1461, 1971, 2043, 4383, 6129, 13149, 16571, 35551, 49713, 106653, 110549, 149139, 319959, 331647, 447417, 959877, 994941, 2984823, 8070077, 24210231, 72630693, 217892079]

約数ペア:

[(1, 217892079), (3, 72630693), (9, 24210231), (27, 8070077), (73, 2984823), (219, 994941), (227, 959877), (487, 447417), (657, 331647), (681, 319959), (1461, 149139), (1971, 110549), (2043, 106653), (4383, 49713), (6129, 35551), (13149, 16571)]