28840119

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6611

約数の個数: 32

約数和(自身を含む): 50472960

約数和(自身を除く): 21632841

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6571, 19713, 45997, 72281, 124849, 137991, 216843, 374547, 505967, 873943, 1373339, 1517901, 2621829, 4120017, 9613373, 28840119]

約数ペア:

[(1, 28840119), (3, 9613373), (7, 4120017), (11, 2621829), (19, 1517901), (21, 1373339), (33, 873943), (57, 505967), (77, 374547), (133, 216843), (209, 137991), (231, 124849), (399, 72281), (627, 45997), (1463, 19713), (4389, 6571)]