27107199

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 47661120

約数和(自身を除く): 20553921

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 401, 609, 777, 1073, 1203, 1827, 2331, 2807, 3219, 3609, 7511, 8421, 9657, 11629, 14837, 22533, 25263, 34887, 44511, 67599, 81403, 103859, 104661, 133533, 244209, 311577, 430273, 732627, 934731, 1290819, 3011911, 3872457, 9035733, 27107199]

約数ペア:

[(1, 27107199), (3, 9035733), (7, 3872457), (9, 3011911), (21, 1290819), (29, 934731), (37, 732627), (63, 430273), (87, 311577), (111, 244209), (203, 133533), (259, 104661), (261, 103859), (333, 81403), (401, 67599), (609, 44511), (777, 34887), (1073, 25263), (1203, 22533), (1827, 14837), (2331, 11629), (2807, 9657), (3219, 8421), (3609, 7511)]