67649253

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 112777920

約数和(自身を除く): 45128667

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 133, 147, 159, 371, 399, 457, 931, 1007, 1113, 1371, 2597, 2793, 3021, 3199, 7049, 7791, 8683, 9597, 21147, 22393, 24221, 26049, 49343, 60781, 67179, 72663, 148029, 169547, 182343, 425467, 460199, 508641, 1186829, 1276401, 1380597, 3221393, 3560487, 9664179, 22549751, 67649253]

約数ペア:

[(1, 67649253), (3, 22549751), (7, 9664179), (19, 3560487), (21, 3221393), (49, 1380597), (53, 1276401), (57, 1186829), (133, 508641), (147, 460199), (159, 425467), (371, 182343), (399, 169547), (457, 148029), (931, 72663), (1007, 67179), (1113, 60781), (1371, 49343), (2597, 26049), (2793, 24221), (3021, 22393), (3199, 21147), (7049, 9597), (7791, 8683)]