222725997

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 379330560

約数和(自身を除く): 156604563

約数列:

[1, 3, 9, 13, 23, 27, 39, 47, 69, 117, 141, 207, 299, 351, 423, 587, 611, 621, 897, 1081, 1269, 1761, 1833, 2691, 3243, 5283, 5499, 7631, 8073, 9729, 13501, 14053, 15849, 16497, 22893, 27589, 29187, 40503, 42159, 68679, 82767, 121509, 126477, 175513, 206037, 248301, 358657, 364527, 379431, 526539, 634547, 744903, 1075971, 1579617, 1903641, 3227913, 4738851, 5710923, 8249111, 9683739, 17132769, 24747333, 74241999, 222725997]

約数ペア:

[(1, 222725997), (3, 74241999), (9, 24747333), (13, 17132769), (23, 9683739), (27, 8249111), (39, 5710923), (47, 4738851), (69, 3227913), (117, 1903641), (141, 1579617), (207, 1075971), (299, 744903), (351, 634547), (423, 526539), (587, 379431), (611, 364527), (621, 358657), (897, 248301), (1081, 206037), (1269, 175513), (1761, 126477), (1833, 121509), (2691, 82767), (3243, 68679), (5283, 42159), (5499, 40503), (7631, 29187), (8073, 27589), (9729, 22893), (13501, 16497), (14053, 15849)]