81323571

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 130387968

約数和(自身を除く): 49064397

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 651, 1113, 1643, 2357, 4929, 7071, 11501, 16499, 34503, 49497, 73067, 124921, 219201, 374763, 511469, 874447, 1534407, 2623341, 3872551, 11617653, 27107857, 81323571]

約数ペア:

[(1, 81323571), (3, 27107857), (7, 11617653), (21, 3872551), (31, 2623341), (53, 1534407), (93, 874447), (159, 511469), (217, 374763), (371, 219201), (651, 124921), (1113, 73067), (1643, 49497), (2357, 34503), (4929, 16499), (7071, 11501)]