56721819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 99283968

約数和(自身を除く): 42562149

約数列:

[1, 3, 7, 11, 21, 33, 41, 53, 77, 113, 123, 159, 231, 287, 339, 371, 451, 583, 791, 861, 1113, 1243, 1353, 1749, 2173, 2373, 3157, 3729, 4081, 4633, 5989, 6519, 8701, 9471, 12243, 13899, 15211, 17967, 23903, 26103, 32431, 41923, 45633, 50963, 65879, 71709, 97293, 125769, 152889, 167321, 197637, 245549, 356741, 461153, 501963, 736647, 1070223, 1383459, 1718843, 2701039, 5156529, 8103117, 18907273, 56721819]

約数ペア:

[(1, 56721819), (3, 18907273), (7, 8103117), (11, 5156529), (21, 2701039), (33, 1718843), (41, 1383459), (53, 1070223), (77, 736647), (113, 501963), (123, 461153), (159, 356741), (231, 245549), (287, 197637), (339, 167321), (371, 152889), (451, 125769), (583, 97293), (791, 71709), (861, 65879), (1113, 50963), (1243, 45633), (1353, 41923), (1749, 32431), (2173, 26103), (2373, 23903), (3157, 17967), (3729, 15211), (4081, 13899), (4633, 12243), (5989, 9471), (6519, 8701)]