71357517

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 140925312

約数和(自身を除く): 69567795

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 99, 119, 153, 187, 189, 231, 297, 357, 459, 561, 567, 673, 693, 891, 1071, 1309, 1377, 1683, 2019, 2079, 3213, 3927, 4711, 5049, 6057, 6237, 7403, 9639, 11441, 11781, 14133, 15147, 18171, 22209, 34323, 35343, 42399, 51821, 54513, 66627, 80087, 102969, 106029, 125851, 127197, 155463, 199881, 240261, 308907, 377553, 381591, 466389, 599643, 720783, 880957, 926721, 1132659, 1399167, 2162349, 2642871, 3397977, 4197501, 6487047, 7928613, 10193931, 23785839, 71357517]

約数ペア:

[(1, 71357517), (3, 23785839), (7, 10193931), (9, 7928613), (11, 6487047), (17, 4197501), (21, 3397977), (27, 2642871), (33, 2162349), (51, 1399167), (63, 1132659), (77, 926721), (81, 880957), (99, 720783), (119, 599643), (153, 466389), (187, 381591), (189, 377553), (231, 308907), (297, 240261), (357, 199881), (459, 155463), (561, 127197), (567, 125851), (673, 106029), (693, 102969), (891, 80087), (1071, 66627), (1309, 54513), (1377, 51821), (1683, 42399), (2019, 35343), (2079, 34323), (3213, 22209), (3927, 18171), (4711, 15147), (5049, 14133), (6057, 11781), (6237, 11441), (7403, 9639)]