220121319

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 325916928

約数和(自身を除く): 105795609

約数列:

[1, 3, 11, 33, 101, 211, 303, 313, 633, 939, 1111, 2321, 3333, 3443, 6963, 10329, 21311, 31613, 63933, 66043, 94839, 198129, 234421, 347743, 703263, 726473, 1043229, 2179419, 6670343, 20011029, 73373773, 220121319]

約数ペア:

[(1, 220121319), (3, 73373773), (11, 20011029), (33, 6670343), (101, 2179419), (211, 1043229), (303, 726473), (313, 703263), (633, 347743), (939, 234421), (1111, 198129), (2321, 94839), (3333, 66043), (3443, 63933), (6963, 31613), (10329, 21311)]