3972159

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 40

約数和(自身を含む): 6534000

約数和(自身を除く): 2561841

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 89, 171, 261, 267, 513, 551, 783, 801, 1539, 1653, 1691, 2349, 2403, 2581, 4959, 5073, 7209, 7743, 14877, 15219, 23229, 44631, 45657, 49039, 69687, 136971, 147117, 209061, 441351, 1324053, 3972159]

約数ペア:

[(1, 3972159), (3, 1324053), (9, 441351), (19, 209061), (27, 147117), (29, 136971), (57, 69687), (81, 49039), (87, 45657), (89, 44631), (171, 23229), (261, 15219), (267, 14877), (513, 7743), (551, 7209), (783, 5073), (801, 4959), (1539, 2581), (1653, 2403), (1691, 2349)]