28094391

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 46379520

約数和(自身を除く): 18285129

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 131, 141, 169, 351, 393, 423, 507, 611, 1179, 1269, 1521, 1703, 1833, 3537, 4563, 5109, 5499, 6157, 7943, 15327, 16497, 18471, 22139, 23829, 45981, 55413, 66417, 71487, 80041, 166239, 199251, 214461, 240123, 597753, 720369, 1040533, 2161107, 3121599, 9364797, 28094391]

約数ペア:

[(1, 28094391), (3, 9364797), (9, 3121599), (13, 2161107), (27, 1040533), (39, 720369), (47, 597753), (117, 240123), (131, 214461), (141, 199251), (169, 166239), (351, 80041), (393, 71487), (423, 66417), (507, 55413), (611, 45981), (1179, 23829), (1269, 22139), (1521, 18471), (1703, 16497), (1833, 15327), (3537, 7943), (4563, 6157), (5109, 5499)]