163940007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19181}}^1$

素因数の和:19239

約数の個数: 32

約数和(自身を含む): 279903744

約数和(自身を除く): 115963737

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 19181, 57543, 134267, 210991, 402801, 632973, 709697, 1476937, 2129091, 4430811, 4967879, 7806667, 14903637, 23420001, 54646669, 163940007]

約数ペア:

[(1, 163940007), (3, 54646669), (7, 23420001), (11, 14903637), (21, 7806667), (33, 4967879), (37, 4430811), (77, 2129091), (111, 1476937), (231, 709697), (259, 632973), (407, 402801), (777, 210991), (1221, 134267), (2849, 57543), (8547, 19181)]