805212981

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6643

約数の個数: 40

約数和(自身を含む): 1265682264

約数和(自身を除く): 460469283

約数列:

[1, 3, 9, 27, 37, 41, 81, 111, 123, 333, 369, 999, 1107, 1517, 2997, 3321, 4551, 6553, 13653, 19659, 40959, 58977, 122877, 176931, 242461, 268673, 530793, 727383, 806019, 2182149, 2418057, 6546447, 7254171, 9940901, 19639341, 21762513, 29822703, 89468109, 268404327, 805212981]

約数ペア:

[(1, 805212981), (3, 268404327), (9, 89468109), (27, 29822703), (37, 21762513), (41, 19639341), (81, 9940901), (111, 7254171), (123, 6546447), (333, 2418057), (369, 2182149), (999, 806019), (1107, 727383), (1517, 530793), (2997, 268673), (3321, 242461), (4551, 176931), (6553, 122877), (13653, 58977), (19659, 40959)]