211719885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6661}}^1$

素因数の和:6845

約数の個数: 32

約数和(自身を含む): 367102848

約数和(自身を除く): 155382963

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 2119, 2445, 6357, 6661, 10595, 19983, 31785, 33305, 86593, 99915, 259779, 432965, 1085743, 1298895, 3257229, 5428715, 14114659, 16286145, 42343977, 70573295, 211719885]

約数ペア:

[(1, 211719885), (3, 70573295), (5, 42343977), (13, 16286145), (15, 14114659), (39, 5428715), (65, 3257229), (163, 1298895), (195, 1085743), (489, 432965), (815, 259779), (2119, 99915), (2445, 86593), (6357, 33305), (6661, 31785), (10595, 19983)]