28181013

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36269}}^1$

素因数の和:36316

約数の個数: 16

約数和(自身を含む): 44104320

約数和(自身を除く): 15923307

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 36269, 108807, 253883, 761649, 1341953, 4025859, 9393671, 28181013]

約数ペア:

[(1, 28181013), (3, 9393671), (7, 4025859), (21, 1341953), (37, 761649), (111, 253883), (259, 108807), (777, 36269)]