38990895

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 64948224

約数和(自身を除く): 25957329

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 915, 991, 2623, 2973, 4955, 7869, 13115, 14865, 39345, 42613, 60451, 127839, 181353, 213065, 302255, 639195, 906765, 2599393, 7798179, 12996965, 38990895]

約数ペア:

[(1, 38990895), (3, 12996965), (5, 7798179), (15, 2599393), (43, 906765), (61, 639195), (129, 302255), (183, 213065), (215, 181353), (305, 127839), (645, 60451), (915, 42613), (991, 39345), (2623, 14865), (2973, 13115), (4955, 7869)]