27678567

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 20318361

約数列:

[1, 3, 7, 17, 21, 31, 41, 51, 61, 93, 119, 123, 183, 217, 287, 357, 427, 527, 651, 697, 861, 1037, 1271, 1281, 1581, 1891, 2091, 2501, 3111, 3689, 3813, 4879, 5673, 7259, 7503, 8897, 11067, 13237, 14637, 17507, 21607, 21777, 26691, 32147, 39711, 42517, 52521, 64821, 77531, 96441, 127551, 151249, 225029, 232593, 297619, 453747, 542717, 675087, 892857, 1318027, 1628151, 3954081, 9226189, 27678567]

約数ペア:

[(1, 27678567), (3, 9226189), (7, 3954081), (17, 1628151), (21, 1318027), (31, 892857), (41, 675087), (51, 542717), (61, 453747), (93, 297619), (119, 232593), (123, 225029), (183, 151249), (217, 127551), (287, 96441), (357, 77531), (427, 64821), (527, 52521), (651, 42517), (697, 39711), (861, 32147), (1037, 26691), (1271, 21777), (1281, 21607), (1581, 17507), (1891, 14637), (2091, 13237), (2501, 11067), (3111, 8897), (3689, 7503), (3813, 7259), (4879, 5673)]