25798941

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3118

約数の個数: 36

約数和(自身を含む): 45645600

約数和(自身を除く): 19846659

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3079, 8379, 9237, 21553, 27711, 58501, 64659, 150871, 175503, 193977, 409507, 452613, 526509, 1228521, 1357839, 2866549, 3685563, 8599647, 25798941]

約数ペア:

[(1, 25798941), (3, 8599647), (7, 3685563), (9, 2866549), (19, 1357839), (21, 1228521), (49, 526509), (57, 452613), (63, 409507), (133, 193977), (147, 175503), (171, 150871), (399, 64659), (441, 58501), (931, 27711), (1197, 21553), (2793, 9237), (3079, 8379)]