1680987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 2949120

約数和(自身を除く): 1268133

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 383, 399, 627, 1149, 1463, 2681, 4213, 4389, 7277, 8043, 12639, 21831, 29491, 50939, 80047, 88473, 152817, 240141, 560329, 1680987]

約数ペア:

[(1, 1680987), (3, 560329), (7, 240141), (11, 152817), (19, 88473), (21, 80047), (33, 50939), (57, 29491), (77, 21831), (133, 12639), (209, 8043), (231, 7277), (383, 4389), (399, 4213), (627, 2681), (1149, 1463)]