31434921

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 24725079

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 343, 357, 441, 599, 833, 1029, 1071, 1797, 2499, 3087, 4193, 5391, 5831, 7497, 10183, 12579, 17493, 29351, 30549, 37737, 52479, 71281, 88053, 91647, 205457, 213843, 264159, 498967, 616371, 641529, 1496901, 1849113, 3492769, 4490703, 10478307, 31434921]

約数ペア:

[(1, 31434921), (3, 10478307), (7, 4490703), (9, 3492769), (17, 1849113), (21, 1496901), (49, 641529), (51, 616371), (63, 498967), (119, 264159), (147, 213843), (153, 205457), (343, 91647), (357, 88053), (441, 71281), (599, 52479), (833, 37737), (1029, 30549), (1071, 29351), (1797, 17493), (2499, 12579), (3087, 10183), (4193, 7497), (5391, 5831)]