1388403735

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1361}}^1\times {\mathrm{1447}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 2271946752

約数和(自身を除く): 883543017

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 1361, 1447, 4083, 4341, 6805, 7235, 20415, 21705, 63967, 68009, 191901, 204027, 319835, 340045, 959505, 1020135, 1969367, 5908101, 9846835, 29540505, 92560249, 277680747, 462801245, 1388403735]

約数ペア:

[(1, 1388403735), (3, 462801245), (5, 277680747), (15, 92560249), (47, 29540505), (141, 9846835), (235, 5908101), (705, 1969367), (1361, 1020135), (1447, 959505), (4083, 340045), (4341, 319835), (6805, 204027), (7235, 191901), (20415, 68009), (21705, 63967)]