30972165

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{42139}}^1$

素因数の和:42161

約数の個数: 24

約数和(自身を含む): 57647520

約数和(自身を除く): 26675355

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 42139, 126417, 210695, 294973, 632085, 884919, 1474865, 2064811, 4424595, 6194433, 10324055, 30972165]

約数ペア:

[(1, 30972165), (3, 10324055), (5, 6194433), (7, 4424595), (15, 2064811), (21, 1474865), (35, 884919), (49, 632085), (105, 294973), (147, 210695), (245, 126417), (735, 42139)]