31721454

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 71823024

約数和(自身を除く): 40101570

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 738, 811, 954, 1622, 2173, 2433, 4346, 4866, 6519, 7299, 13038, 14598, 19557, 33251, 39114, 42983, 66502, 85966, 99753, 128949, 199506, 257898, 299259, 386847, 598518, 773694, 1762303, 3524606, 5286909, 10573818, 15860727, 31721454]

約数ペア:

[(1, 31721454), (2, 15860727), (3, 10573818), (6, 5286909), (9, 3524606), (18, 1762303), (41, 773694), (53, 598518), (82, 386847), (106, 299259), (123, 257898), (159, 199506), (246, 128949), (318, 99753), (369, 85966), (477, 66502), (738, 42983), (811, 39114), (954, 33251), (1622, 19557), (2173, 14598), (2433, 13038), (4346, 7299), (4866, 6519)]