181231695

素因数分解:

$3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4289}}^1$

素因数の和:4616

約数の個数: 32

約数和(自身を含む): 323294400

約数和(自身を除く): 142062705

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 313, 939, 1565, 2817, 4289, 4695, 8451, 12867, 14085, 21445, 38601, 42255, 64335, 115803, 193005, 579015, 1342457, 4027371, 6712285, 12082113, 20136855, 36246339, 60410565, 181231695]

約数ペア:

[(1, 181231695), (3, 60410565), (5, 36246339), (9, 20136855), (15, 12082113), (27, 6712285), (45, 4027371), (135, 1342457), (313, 579015), (939, 193005), (1565, 115803), (2817, 64335), (4289, 42255), (4695, 38601), (8451, 21445), (12867, 14085)]