31152177

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 57470400

約数和(自身を除く): 26318223

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 59, 63, 87, 119, 153, 177, 203, 261, 289, 357, 413, 493, 531, 609, 867, 1003, 1071, 1239, 1479, 1711, 1827, 2023, 2601, 3009, 3451, 3717, 4437, 5133, 6069, 7021, 8381, 9027, 10353, 11977, 15399, 17051, 18207, 21063, 25143, 29087, 31059, 35931, 51153, 58667, 63189, 75429, 87261, 107793, 119357, 153459, 176001, 203609, 261783, 358071, 494479, 528003, 610827, 1074213, 1483437, 1832481, 3461353, 4450311, 10384059, 31152177]

約数ペア:

[(1, 31152177), (3, 10384059), (7, 4450311), (9, 3461353), (17, 1832481), (21, 1483437), (29, 1074213), (51, 610827), (59, 528003), (63, 494479), (87, 358071), (119, 261783), (153, 203609), (177, 176001), (203, 153459), (261, 119357), (289, 107793), (357, 87261), (413, 75429), (493, 63189), (531, 58667), (609, 51153), (867, 35931), (1003, 31059), (1071, 29087), (1239, 25143), (1479, 21063), (1711, 18207), (1827, 17051), (2023, 15399), (2601, 11977), (3009, 10353), (3451, 9027), (3717, 8381), (4437, 7021), (5133, 6069)]