198931965

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{2909}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 328527360

約数和(自身を除く): 129595395

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 485, 705, 1455, 2909, 4559, 8727, 13677, 14545, 22795, 43635, 68385, 136723, 282173, 410169, 683615, 846519, 1410865, 2050845, 4232595, 13262131, 39786393, 66310655, 198931965]

約数ペア:

[(1, 198931965), (3, 66310655), (5, 39786393), (15, 13262131), (47, 4232595), (97, 2050845), (141, 1410865), (235, 846519), (291, 683615), (485, 410169), (705, 282173), (1455, 136723), (2909, 68385), (4559, 43635), (8727, 22795), (13677, 14545)]