28693353

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 42649600

約数和(自身を除く): 13956247

約数列:

[1, 3, 13, 39, 67, 79, 139, 201, 237, 417, 871, 1027, 1807, 2613, 3081, 5293, 5421, 9313, 10981, 15879, 27939, 32943, 68809, 121069, 142753, 206427, 363207, 428259, 735727, 2207181, 9564451, 28693353]

約数ペア:

[(1, 28693353), (3, 9564451), (13, 2207181), (39, 735727), (67, 428259), (79, 363207), (139, 206427), (201, 142753), (237, 121069), (417, 68809), (871, 32943), (1027, 27939), (1807, 15879), (2613, 10981), (3081, 9313), (5293, 5421)]