198672975

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{9103}}^1$

素因数の和:9216

約数の個数: 36

約数和(自身を含む): 359553376

約数和(自身を除く): 160880401

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1455, 2425, 4365, 7275, 9103, 21825, 27309, 45515, 81927, 136545, 227575, 409635, 682725, 882991, 2048175, 2648973, 4414955, 7946919, 13244865, 22074775, 39734595, 66224325, 198672975]

約数ペア:

[(1, 198672975), (3, 66224325), (5, 39734595), (9, 22074775), (15, 13244865), (25, 7946919), (45, 4414955), (75, 2648973), (97, 2048175), (225, 882991), (291, 682725), (485, 409635), (873, 227575), (1455, 136545), (2425, 81927), (4365, 45515), (7275, 27309), (9103, 21825)]