28970613

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 49083840

約数和(自身を除く): 20113227

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 367, 441, 537, 1101, 1253, 1611, 2569, 3303, 3759, 7707, 8771, 11277, 17983, 23121, 26313, 53949, 65693, 78939, 161847, 197079, 459851, 591237, 1379553, 3218957, 4138659, 9656871, 28970613]

約数ペア:

[(1, 28970613), (3, 9656871), (7, 4138659), (9, 3218957), (21, 1379553), (49, 591237), (63, 459851), (147, 197079), (179, 161847), (367, 78939), (441, 65693), (537, 53949), (1101, 26313), (1253, 23121), (1611, 17983), (2569, 11277), (3303, 8771), (3759, 7707)]