280924329

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{6971}}^1$

素因数の和:7101

約数の個数: 32

約数和(自身を含む): 455132160

約数和(自身を除く): 174207831

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 303, 399, 707, 1919, 2121, 5757, 6971, 13433, 20913, 40299, 48797, 132449, 146391, 397347, 704071, 927143, 2112213, 2781429, 4928497, 13377349, 14785491, 40132047, 93641443, 280924329]

約数ペア:

[(1, 280924329), (3, 93641443), (7, 40132047), (19, 14785491), (21, 13377349), (57, 4928497), (101, 2781429), (133, 2112213), (303, 927143), (399, 704071), (707, 397347), (1919, 146391), (2121, 132449), (5757, 48797), (6971, 40299), (13433, 20913)]