219527919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 393382080

約数和(自身を除く): 173854161

約数列:

[1, 3, 9, 13, 17, 19, 37, 39, 51, 57, 111, 117, 153, 157, 171, 221, 247, 323, 333, 471, 481, 629, 663, 703, 741, 969, 1413, 1443, 1887, 1989, 2041, 2109, 2223, 2669, 2907, 2983, 4199, 4329, 5661, 5809, 6123, 6327, 8007, 8177, 8949, 9139, 11951, 12597, 17427, 18369, 24021, 24531, 26847, 27417, 34697, 35853, 37791, 38779, 50711, 52281, 73593, 75517, 82251, 98753, 104091, 107559, 110371, 116337, 152133, 155363, 226551, 296259, 312273, 331113, 349011, 456399, 466089, 659243, 679653, 888777, 993339, 1283789, 1398267, 1434823, 1876307, 1977729, 3851367, 4304469, 5628921, 5933187, 11554101, 12913407, 16886763, 24391991, 73175973, 219527919]

約数ペア:

[(1, 219527919), (3, 73175973), (9, 24391991), (13, 16886763), (17, 12913407), (19, 11554101), (37, 5933187), (39, 5628921), (51, 4304469), (57, 3851367), (111, 1977729), (117, 1876307), (153, 1434823), (157, 1398267), (171, 1283789), (221, 993339), (247, 888777), (323, 679653), (333, 659243), (471, 466089), (481, 456399), (629, 349011), (663, 331113), (703, 312273), (741, 296259), (969, 226551), (1413, 155363), (1443, 152133), (1887, 116337), (1989, 110371), (2041, 107559), (2109, 104091), (2223, 98753), (2669, 82251), (2907, 75517), (2983, 73593), (4199, 52281), (4329, 50711), (5661, 38779), (5809, 37791), (6123, 35853), (6327, 34697), (8007, 27417), (8177, 26847), (8949, 24531), (9139, 24021), (11951, 18369), (12597, 17427)]