30420747

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7207}}^1$

素因数の和:7287

約数の個数: 24

約数和(自身を含む): 50974976

約数和(自身を除く): 20554229

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 7207, 21621, 50449, 64863, 151347, 454041, 482869, 1448607, 3380083, 4345821, 10140249, 30420747]

約数ペア:

[(1, 30420747), (3, 10140249), (7, 4345821), (9, 3380083), (21, 1448607), (63, 482869), (67, 454041), (201, 151347), (469, 64863), (603, 50449), (1407, 21621), (4221, 7207)]