28605687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 15147273

約数列:

[1, 3, 11, 29, 33, 71, 87, 213, 319, 421, 781, 957, 1263, 2059, 2343, 4631, 6177, 12209, 13893, 22649, 29891, 36627, 67947, 89673, 134299, 328801, 402897, 866839, 986403, 2600517, 9535229, 28605687]

約数ペア:

[(1, 28605687), (3, 9535229), (11, 2600517), (29, 986403), (33, 866839), (71, 402897), (87, 328801), (213, 134299), (319, 89673), (421, 67947), (781, 36627), (957, 29891), (1263, 22649), (2059, 13893), (2343, 12209), (4631, 6177)]