199940403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1803

約数の個数: 32

約数和(自身を含む): 301948416

約数和(自身を除く): 102008013

約数列:

[1, 3, 13, 23, 39, 69, 137, 299, 411, 897, 1627, 1781, 3151, 4881, 5343, 9453, 21151, 37421, 40963, 63453, 112263, 122889, 222899, 486473, 668697, 1459419, 2897687, 5126677, 8693061, 15380031, 66646801, 199940403]

約数ペア:

[(1, 199940403), (3, 66646801), (13, 15380031), (23, 8693061), (39, 5126677), (69, 2897687), (137, 1459419), (299, 668697), (411, 486473), (897, 222899), (1627, 122889), (1781, 112263), (3151, 63453), (4881, 40963), (5343, 37421), (9453, 21151)]