12947865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 23811840

約数和(自身を除く): 10863975

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 389, 951, 1167, 1585, 1945, 2219, 2723, 4755, 5835, 6657, 8169, 11095, 13615, 33285, 40845, 123313, 369939, 616565, 863191, 1849695, 2589573, 4315955, 12947865]

約数ペア:

[(1, 12947865), (3, 4315955), (5, 2589573), (7, 1849695), (15, 863191), (21, 616565), (35, 369939), (105, 123313), (317, 40845), (389, 33285), (951, 13615), (1167, 11095), (1585, 8169), (1945, 6657), (2219, 5835), (2723, 4755)]