28200627

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4919}}^1$

素因数の和:4952

約数の個数: 36

約数和(自身を含む): 51040080

約数和(自身を除く): 22839453

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 4919, 5733, 14757, 34433, 44271, 63947, 103299, 191841, 241031, 309897, 447629, 575523, 723093, 1342887, 2169279, 3133403, 4028661, 9400209, 28200627]

約数ペア:

[(1, 28200627), (3, 9400209), (7, 4028661), (9, 3133403), (13, 2169279), (21, 1342887), (39, 723093), (49, 575523), (63, 447629), (91, 309897), (117, 241031), (147, 191841), (273, 103299), (441, 63947), (637, 44271), (819, 34433), (1911, 14757), (4919, 5733)]