28976661

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 50838528

約数和(自身を除く): 21861867

約数列:

[1, 3, 7, 9, 21, 31, 37, 63, 93, 111, 217, 259, 279, 333, 401, 651, 777, 1147, 1203, 1953, 2331, 2807, 3441, 3609, 8029, 8421, 10323, 12431, 14837, 24087, 25263, 37293, 44511, 72261, 87017, 103859, 111879, 133533, 261051, 311577, 459947, 783153, 934731, 1379841, 3219629, 4139523, 9658887, 28976661]

約数ペア:

[(1, 28976661), (3, 9658887), (7, 4139523), (9, 3219629), (21, 1379841), (31, 934731), (37, 783153), (63, 459947), (93, 311577), (111, 261051), (217, 133533), (259, 111879), (279, 103859), (333, 87017), (401, 72261), (651, 44511), (777, 37293), (1147, 25263), (1203, 24087), (1953, 14837), (2331, 12431), (2807, 10323), (3441, 8421), (3609, 8029)]