51165915

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 87436800

約数和(自身を除く): 36270885

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 3449, 4945, 10347, 14835, 17245, 51735, 79327, 148307, 237981, 396635, 444921, 741535, 1189905, 2224605, 3411061, 10233183, 17055305, 51165915]

約数ペア:

[(1, 51165915), (3, 17055305), (5, 10233183), (15, 3411061), (23, 2224605), (43, 1189905), (69, 741535), (115, 444921), (129, 396635), (215, 237981), (345, 148307), (645, 79327), (989, 51735), (2967, 17245), (3449, 14835), (4945, 10347)]