287641839

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 404840448

約数和(自身を除く): 117198609

約数列:

[1, 3, 31, 93, 101, 113, 271, 303, 339, 813, 3131, 3503, 8401, 9393, 10509, 11413, 25203, 27371, 30623, 34239, 82113, 91869, 353803, 848501, 949313, 1061409, 2545503, 2847939, 3092923, 9278769, 95880613, 287641839]

約数ペア:

[(1, 287641839), (3, 95880613), (31, 9278769), (93, 3092923), (101, 2847939), (113, 2545503), (271, 1061409), (303, 949313), (339, 848501), (813, 353803), (3131, 91869), (3503, 82113), (8401, 34239), (9393, 30623), (10509, 27371), (11413, 25203)]