644258667

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{3121}}^1$

素因数の和:3283

約数の個数: 32

約数和(自身を含む): 951086080

約数和(自身を除く): 306827413

約数列:

[1, 3, 13, 39, 67, 79, 201, 237, 871, 1027, 2613, 3081, 3121, 5293, 9363, 15879, 40573, 68809, 121719, 206427, 209107, 246559, 627321, 739677, 2718391, 3205267, 8155173, 9615801, 16519453, 49558359, 214752889, 644258667]

約数ペア:

[(1, 644258667), (3, 214752889), (13, 49558359), (39, 16519453), (67, 9615801), (79, 8155173), (201, 3205267), (237, 2718391), (871, 739677), (1027, 627321), (2613, 246559), (3081, 209107), (3121, 206427), (5293, 121719), (9363, 68809), (15879, 40573)]