40778073

素因数分解:

$3^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 56

約数和(自身を含む): 71560896

約数和(自身を除く): 30782823

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 131, 183, 189, 243, 393, 427, 549, 567, 729, 917, 1179, 1281, 1647, 1701, 2751, 3537, 3843, 4941, 5103, 7991, 8253, 10611, 11529, 14823, 23973, 24759, 31833, 34587, 44469, 55937, 71919, 74277, 95499, 103761, 167811, 215757, 222831, 311283, 503433, 647271, 668493, 1510299, 1941813, 4530897, 5825439, 13592691, 40778073]

約数ペア:

[(1, 40778073), (3, 13592691), (7, 5825439), (9, 4530897), (21, 1941813), (27, 1510299), (61, 668493), (63, 647271), (81, 503433), (131, 311283), (183, 222831), (189, 215757), (243, 167811), (393, 103761), (427, 95499), (549, 74277), (567, 71919), (729, 55937), (917, 44469), (1179, 34587), (1281, 31833), (1647, 24759), (1701, 23973), (2751, 14823), (3537, 11529), (3843, 10611), (4941, 8253), (5103, 7991)]