199894461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1669}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 298515840

約数和(自身を除く): 98621379

約数列:

[1, 3, 13, 37, 39, 83, 111, 249, 481, 1079, 1443, 1669, 3071, 3237, 5007, 9213, 21697, 39923, 61753, 65091, 119769, 138527, 185259, 415581, 802789, 1800851, 2408367, 5125499, 5402553, 15376497, 66631487, 199894461]

約数ペア:

[(1, 199894461), (3, 66631487), (13, 15376497), (37, 5402553), (39, 5125499), (83, 2408367), (111, 1800851), (249, 802789), (481, 415581), (1079, 185259), (1443, 138527), (1669, 119769), (3071, 65091), (3237, 61753), (5007, 39923), (9213, 21697)]