1288805511

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{5119}}^1$

素因数の和:5779

約数の個数: 32

約数和(自身を含む): 2070937600

約数和(自身を除く): 782132089

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 631, 1893, 4417, 5119, 11989, 13251, 15357, 35833, 35967, 83923, 97261, 107499, 251769, 291783, 680827, 2042481, 3230089, 9690267, 22610623, 61371691, 67831869, 184115073, 429601837, 1288805511]

約数ペア:

[(1, 1288805511), (3, 429601837), (7, 184115073), (19, 67831869), (21, 61371691), (57, 22610623), (133, 9690267), (399, 3230089), (631, 2042481), (1893, 680827), (4417, 291783), (5119, 251769), (11989, 107499), (13251, 97261), (15357, 83923), (35833, 35967)]