42389165

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13309}}^1$

素因数の和:13341

約数の個数: 24

約数和(自身を含む): 63728280

約数和(自身を除く): 21339115

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 13309, 66545, 93163, 173017, 465815, 652141, 865085, 1211119, 3260705, 6055595, 8477833, 42389165]

約数ペア:

[(1, 42389165), (5, 8477833), (7, 6055595), (13, 3260705), (35, 1211119), (49, 865085), (65, 652141), (91, 465815), (245, 173017), (455, 93163), (637, 66545), (3185, 13309)]