121618856985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{135727}}^1$

素因数の和:135854

約数の個数: 64

約数和(自身を含む): 210146033664

約数和(自身を除く): 88527176679

約数列:

[1, 3, 5, 15, 31, 41, 47, 93, 123, 141, 155, 205, 235, 465, 615, 705, 1271, 1457, 1927, 3813, 4371, 5781, 6355, 7285, 9635, 19065, 21855, 28905, 59737, 135727, 179211, 298685, 407181, 678635, 896055, 2035905, 4207537, 5564807, 6379169, 12622611, 16694421, 19137507, 21037685, 27824035, 31895845, 63113055, 83472105, 95687535, 172509017, 197754239, 261545929, 517527051, 593262717, 784637787, 862545085, 988771195, 1307729645, 2587635255, 2966313585, 3923188935, 8107923799, 24323771397, 40539618995, 121618856985]

約数ペア:

[(1, 121618856985), (3, 40539618995), (5, 24323771397), (15, 8107923799), (31, 3923188935), (41, 2966313585), (47, 2587635255), (93, 1307729645), (123, 988771195), (141, 862545085), (155, 784637787), (205, 593262717), (235, 517527051), (465, 261545929), (615, 197754239), (705, 172509017), (1271, 95687535), (1457, 83472105), (1927, 63113055), (3813, 31895845), (4371, 27824035), (5781, 21037685), (6355, 19137507), (7285, 16694421), (9635, 12622611), (19065, 6379169), (21855, 5564807), (28905, 4207537), (59737, 2035905), (135727, 896055), (179211, 678635), (298685, 407181)]