7119981

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 11883168

約数和(自身を除く): 4763187

約数列:

[1, 3, 9, 11, 27, 33, 61, 81, 99, 131, 183, 297, 393, 549, 671, 891, 1179, 1441, 1647, 2013, 3537, 4323, 4941, 6039, 7991, 10611, 12969, 18117, 23973, 38907, 54351, 71919, 87901, 116721, 215757, 263703, 647271, 791109, 2373327, 7119981]

約数ペア:

[(1, 7119981), (3, 2373327), (9, 791109), (11, 647271), (27, 263703), (33, 215757), (61, 116721), (81, 87901), (99, 71919), (131, 54351), (183, 38907), (297, 23973), (393, 18117), (549, 12969), (671, 10611), (891, 7991), (1179, 6039), (1441, 4941), (1647, 4323), (2013, 3537)]