16139151

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 28537600

約数和(自身を除く): 12398449

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 139, 171, 291, 399, 417, 679, 873, 973, 1197, 1251, 1843, 2037, 2641, 2919, 5529, 6111, 7923, 8757, 12901, 13483, 16587, 18487, 23769, 38703, 40449, 55461, 94381, 116109, 121347, 166383, 256177, 283143, 768531, 849429, 1793239, 2305593, 5379717, 16139151]

約数ペア:

[(1, 16139151), (3, 5379717), (7, 2305593), (9, 1793239), (19, 849429), (21, 768531), (57, 283143), (63, 256177), (97, 166383), (133, 121347), (139, 116109), (171, 94381), (291, 55461), (399, 40449), (417, 38703), (679, 23769), (873, 18487), (973, 16587), (1197, 13483), (1251, 12901), (1843, 8757), (2037, 7923), (2641, 6111), (2919, 5529)]