1371225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 2321280

約数和(自身を除く): 950055

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 389, 705, 1167, 1175, 1945, 3525, 5835, 9725, 18283, 29175, 54849, 91415, 274245, 457075, 1371225]

約数ペア:

[(1, 1371225), (3, 457075), (5, 274245), (15, 91415), (25, 54849), (47, 29175), (75, 18283), (141, 9725), (235, 5835), (389, 3525), (705, 1945), (1167, 1175)]