211769763

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 312360960

約数和(自身を除く): 100591197

約数列:

[1, 3, 19, 23, 57, 69, 163, 437, 489, 991, 1311, 2973, 3097, 3749, 9291, 11247, 18829, 22793, 56487, 68379, 71231, 161533, 213693, 433067, 484599, 1299201, 3069127, 3715259, 9207381, 11145777, 70589921, 211769763]

約数ペア:

[(1, 211769763), (3, 70589921), (19, 11145777), (23, 9207381), (57, 3715259), (69, 3069127), (163, 1299201), (437, 484599), (489, 433067), (991, 213693), (1311, 161533), (2973, 71231), (3097, 68379), (3749, 56487), (9291, 22793), (11247, 18829)]