9947691

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 16633344

約数和(自身を除く): 6685653

約数列:

[1, 3, 9, 13, 27, 39, 47, 67, 81, 117, 141, 201, 243, 351, 423, 603, 611, 871, 1053, 1269, 1809, 1833, 2613, 3149, 3159, 3807, 5427, 5499, 7839, 9447, 11421, 16281, 16497, 23517, 28341, 40937, 49491, 70551, 85023, 122811, 148473, 211653, 255069, 368433, 765207, 1105299, 3315897, 9947691]

約数ペア:

[(1, 9947691), (3, 3315897), (9, 1105299), (13, 765207), (27, 368433), (39, 255069), (47, 211653), (67, 148473), (81, 122811), (117, 85023), (141, 70551), (201, 49491), (243, 40937), (351, 28341), (423, 23517), (603, 16497), (611, 16281), (871, 11421), (1053, 9447), (1269, 7839), (1809, 5499), (1833, 5427), (2613, 3807), (3149, 3159)]