221497269

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 365068800

約数和(自身を除く): 143571531

約数列:

[1, 3, 7, 19, 21, 57, 59, 97, 133, 177, 291, 399, 413, 679, 1121, 1239, 1843, 2037, 3363, 5529, 5723, 7847, 9409, 12901, 17169, 23541, 28227, 38703, 40061, 65863, 108737, 120183, 178771, 197589, 326211, 536313, 555131, 761159, 1251397, 1665393, 2283477, 3754191, 3885917, 10547489, 11657751, 31642467, 73832423, 221497269]

約数ペア:

[(1, 221497269), (3, 73832423), (7, 31642467), (19, 11657751), (21, 10547489), (57, 3885917), (59, 3754191), (97, 2283477), (133, 1665393), (177, 1251397), (291, 761159), (399, 555131), (413, 536313), (679, 326211), (1121, 197589), (1239, 178771), (1843, 120183), (2037, 108737), (3363, 65863), (5529, 40061), (5723, 38703), (7847, 28227), (9409, 23541), (12901, 17169)]