66987018

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1508

約数の個数: 72

約数和(自身を含む): 172140228

約数和(自身を除く): 105153210

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 441, 477, 742, 882, 954, 1113, 1433, 2226, 2597, 2866, 3339, 4299, 5194, 6678, 7791, 8598, 10031, 12897, 15582, 20062, 23373, 25794, 30093, 46746, 60186, 70217, 75949, 90279, 140434, 151898, 180558, 210651, 227847, 421302, 455694, 531643, 631953, 683541, 1063286, 1263906, 1367082, 1594929, 3189858, 3721501, 4784787, 7443002, 9569574, 11164503, 22329006, 33493509, 66987018]

約数ペア:

[(1, 66987018), (2, 33493509), (3, 22329006), (6, 11164503), (7, 9569574), (9, 7443002), (14, 4784787), (18, 3721501), (21, 3189858), (42, 1594929), (49, 1367082), (53, 1263906), (63, 1063286), (98, 683541), (106, 631953), (126, 531643), (147, 455694), (159, 421302), (294, 227847), (318, 210651), (371, 180558), (441, 151898), (477, 140434), (742, 90279), (882, 75949), (954, 70217), (1113, 60186), (1433, 46746), (2226, 30093), (2597, 25794), (2866, 23373), (3339, 20062), (4299, 15582), (5194, 12897), (6678, 10031), (7791, 8598)]