210819357

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 378278784

約数和(自身を除く): 167459427

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 173, 203, 207, 261, 483, 519, 609, 667, 841, 1211, 1449, 1557, 1827, 2001, 2523, 3633, 3979, 4669, 5017, 5887, 6003, 7569, 10899, 11937, 14007, 15051, 17661, 19343, 27853, 35119, 35811, 42021, 45153, 52983, 58029, 83559, 105357, 115391, 135401, 145493, 174087, 250677, 316071, 346173, 406203, 436479, 807737, 1018451, 1038519, 1218609, 1309437, 2423211, 3055353, 3346339, 7269633, 9166059, 10039017, 23424373, 30117051, 70273119, 210819357]

約数ペア:

[(1, 210819357), (3, 70273119), (7, 30117051), (9, 23424373), (21, 10039017), (23, 9166059), (29, 7269633), (63, 3346339), (69, 3055353), (87, 2423211), (161, 1309437), (173, 1218609), (203, 1038519), (207, 1018451), (261, 807737), (483, 436479), (519, 406203), (609, 346173), (667, 316071), (841, 250677), (1211, 174087), (1449, 145493), (1557, 135401), (1827, 115391), (2001, 105357), (2523, 83559), (3633, 58029), (3979, 52983), (4669, 45153), (5017, 42021), (5887, 35811), (6003, 35119), (7569, 27853), (10899, 19343), (11937, 17661), (14007, 15051)]