78815997

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 60

約数和(自身を含む): 132792660

約数和(自身を除く): 53976663

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 89, 117, 261, 267, 351, 377, 783, 801, 841, 1053, 1131, 1157, 2349, 2403, 2523, 2581, 3393, 3471, 7209, 7569, 7743, 10179, 10413, 10933, 22707, 23229, 30537, 31239, 32799, 33553, 68121, 69687, 74849, 93717, 98397, 100659, 209061, 224547, 295191, 301977, 673641, 885573, 905931, 973037, 2020923, 2717793, 2919111, 6062769, 8757333, 26271999, 78815997]

約数ペア:

[(1, 78815997), (3, 26271999), (9, 8757333), (13, 6062769), (27, 2919111), (29, 2717793), (39, 2020923), (81, 973037), (87, 905931), (89, 885573), (117, 673641), (261, 301977), (267, 295191), (351, 224547), (377, 209061), (783, 100659), (801, 98397), (841, 93717), (1053, 74849), (1131, 69687), (1157, 68121), (2349, 33553), (2403, 32799), (2523, 31239), (2581, 30537), (3393, 23229), (3471, 22707), (7209, 10933), (7569, 10413), (7743, 10179)]