30418563

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10891}}^1$

素因数の和:10927

約数の個数: 24

約数和(自身を含む): 49667520

約数和(自身を除く): 19248957

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10891, 32673, 76237, 206929, 228711, 533659, 620787, 1448503, 1600977, 4345509, 10139521, 30418563]

約数ペア:

[(1, 30418563), (3, 10139521), (7, 4345509), (19, 1600977), (21, 1448503), (49, 620787), (57, 533659), (133, 228711), (147, 206929), (399, 76237), (931, 32673), (2793, 10891)]