28927983

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 47278080

約数和(自身を除く): 18350097

約数列:

[1, 3, 7, 21, 47, 49, 53, 79, 141, 147, 159, 237, 329, 371, 553, 987, 1113, 1659, 2303, 2491, 2597, 3713, 3871, 4187, 6909, 7473, 7791, 11139, 11613, 12561, 17437, 25991, 29309, 52311, 77973, 87927, 122059, 181937, 196789, 205163, 366177, 545811, 590367, 615489, 1377523, 4132569, 9642661, 28927983]

約数ペア:

[(1, 28927983), (3, 9642661), (7, 4132569), (21, 1377523), (47, 615489), (49, 590367), (53, 545811), (79, 366177), (141, 205163), (147, 196789), (159, 181937), (237, 122059), (329, 87927), (371, 77973), (553, 52311), (987, 29309), (1113, 25991), (1659, 17437), (2303, 12561), (2491, 11613), (2597, 11139), (3713, 7791), (3871, 7473), (4187, 6909)]