215064195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15913}}^1$

素因数の和:15991

約数の個数: 32

約数和(自身を含む): 371241792

約数和(自身を除く): 156177597

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515, 15913, 47739, 79565, 238695, 270521, 811563, 843389, 1352605, 2530167, 4057815, 4216945, 12650835, 14337613, 43012839, 71688065, 215064195]

約数ペア:

[(1, 215064195), (3, 71688065), (5, 43012839), (15, 14337613), (17, 12650835), (51, 4216945), (53, 4057815), (85, 2530167), (159, 1352605), (255, 843389), (265, 811563), (795, 270521), (901, 238695), (2703, 79565), (4505, 47739), (13515, 15913)]