47871963

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4039

約数の個数: 24

約数和(自身を含む): 73831680

約数和(自身を除く): 25959717

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 3943, 4047, 11829, 12141, 35487, 74917, 224751, 279953, 674253, 839859, 2519577, 5319107, 15957321, 47871963]

約数ペア:

[(1, 47871963), (3, 15957321), (9, 5319107), (19, 2519577), (57, 839859), (71, 674253), (171, 279953), (213, 224751), (639, 74917), (1349, 35487), (3943, 12141), (4047, 11829)]