215548977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{911}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 346705920

約数和(自身を除く): 131156943

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 593, 911, 1779, 2733, 4151, 6377, 11267, 12453, 17309, 19131, 33801, 51927, 78869, 121163, 236607, 363489, 540223, 1620669, 3781561, 10264237, 11344683, 30792711, 71849659, 215548977]

約数ペア:

[(1, 215548977), (3, 71849659), (7, 30792711), (19, 11344683), (21, 10264237), (57, 3781561), (133, 1620669), (399, 540223), (593, 363489), (911, 236607), (1779, 121163), (2733, 78869), (4151, 51927), (6377, 33801), (11267, 19131), (12453, 17309)]