30193947

素因数分解:

$3^2\times 7^3\times {\mathrm{9781}}^1$

素因数の和:9808

約数の個数: 24

約数和(自身を含む): 50866400

約数和(自身を除く): 20672453

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9781, 29343, 68467, 88029, 205401, 479269, 616203, 1437807, 3354883, 4313421, 10064649, 30193947]

約数ペア:

[(1, 30193947), (3, 10064649), (7, 4313421), (9, 3354883), (21, 1437807), (49, 616203), (63, 479269), (147, 205401), (343, 88029), (441, 68467), (1029, 29343), (3087, 9781)]