210316215

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 341991936

約数和(自身を除く): 131675721

約数列:

[1, 3, 5, 15, 103, 197, 309, 515, 591, 691, 985, 1545, 2073, 2955, 3455, 10365, 20291, 60873, 71173, 101455, 136127, 213519, 304365, 355865, 408381, 680635, 1067595, 2041905, 14021081, 42063243, 70105405, 210316215]

約数ペア:

[(1, 210316215), (3, 70105405), (5, 42063243), (15, 14021081), (103, 2041905), (197, 1067595), (309, 680635), (515, 408381), (591, 355865), (691, 304365), (985, 213519), (1545, 136127), (2073, 101455), (2955, 71173), (3455, 60873), (10365, 20291)]