215375.0000000

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 36

約数和(自身を含む): 11941072

約数和(自身を除く): 4447591

約数列:

[1, 3, 9, 17, 43, 51, 67, 129, 153, 201, 289, 387, 603, 731, 867, 1139, 2193, 2601, 2881, 3417, 6579, 8643, 10251, 12427, 19363, 25929, 37281, 48977, 58089, 111843, 146931, 174267, 440793, 832609, 2497827, 7493481]

約数ペア:

[(1, 7493481), (3, 2497827), (9, 832609), (17, 440793), (43, 174267), (51, 146931), (67, 111843), (129, 58089), (153, 48977), (201, 37281), (289, 25929), (387, 19363), (603, 12427), (731, 10251), (867, 8643), (1139, 6579), (2193, 3417), (2601, 2881)]