28156665123

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{124429}}^1$

素因数の和:124501

約数の個数: 48

約数和(自身を含む): 45840012000

約数和(自身を除く): 17683346877

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 289, 459, 493, 783, 867, 1479, 2601, 4437, 7803, 8381, 13311, 25143, 75429, 124429, 226287, 373287, 1119861, 2115293, 3359583, 3608441, 6345879, 10825323, 19037637, 32475969, 35959981, 57112911, 61343497, 97427907, 107879943, 184030491, 323639829, 552091473, 970919487, 1042839449, 1656274419, 3128518347, 9385555041, 28156665123]

約数ペア:

[(1, 28156665123), (3, 9385555041), (9, 3128518347), (17, 1656274419), (27, 1042839449), (29, 970919487), (51, 552091473), (87, 323639829), (153, 184030491), (261, 107879943), (289, 97427907), (459, 61343497), (493, 57112911), (783, 35959981), (867, 32475969), (1479, 19037637), (2601, 10825323), (4437, 6345879), (7803, 3608441), (8381, 3359583), (13311, 2115293), (25143, 1119861), (75429, 373287), (124429, 226287)]