17212689

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 13027311

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 57, 87, 89, 117, 171, 247, 261, 267, 351, 377, 513, 551, 741, 783, 801, 1131, 1157, 1653, 1691, 2223, 2403, 2581, 3393, 3471, 4959, 5073, 6669, 7163, 7743, 10179, 10413, 14877, 15219, 21489, 21983, 23229, 31239, 33553, 45657, 49039, 64467, 65949, 69687, 100659, 147117, 193401, 197847, 301977, 441351, 593541, 637507, 905931, 1324053, 1912521, 5737563, 17212689]

約数ペア:

[(1, 17212689), (3, 5737563), (9, 1912521), (13, 1324053), (19, 905931), (27, 637507), (29, 593541), (39, 441351), (57, 301977), (87, 197847), (89, 193401), (117, 147117), (171, 100659), (247, 69687), (261, 65949), (267, 64467), (351, 49039), (377, 45657), (513, 33553), (551, 31239), (741, 23229), (783, 21983), (801, 21489), (1131, 15219), (1157, 14877), (1653, 10413), (1691, 10179), (2223, 7743), (2403, 7163), (2581, 6669), (3393, 5073), (3471, 4959)]