17943201

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 28749600

約数和(自身を除く): 10806399

約数列:

[1, 3, 9, 19, 27, 57, 81, 89, 131, 171, 267, 393, 513, 801, 1179, 1539, 1691, 2403, 2489, 3537, 5073, 7209, 7467, 10611, 11659, 15219, 22401, 34977, 45657, 67203, 104931, 136971, 201609, 221521, 314793, 664563, 944379, 1993689, 5981067, 17943201]

約数ペア:

[(1, 17943201), (3, 5981067), (9, 1993689), (19, 944379), (27, 664563), (57, 314793), (81, 221521), (89, 201609), (131, 136971), (171, 104931), (267, 67203), (393, 45657), (513, 34977), (801, 22401), (1179, 15219), (1539, 11659), (1691, 10611), (2403, 7467), (2489, 7209), (3537, 5073)]