17774289

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 28761600

約数和(自身を除く): 10987311

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 641, 711, 1027, 1923, 2133, 3081, 5769, 8333, 9243, 17307, 24999, 27729, 50639, 74997, 151917, 224991, 455751, 658307, 1367253, 1974921, 5924763, 17774289]

約数ペア:

[(1, 17774289), (3, 5924763), (9, 1974921), (13, 1367253), (27, 658307), (39, 455751), (79, 224991), (117, 151917), (237, 74997), (351, 50639), (641, 27729), (711, 24999), (1027, 17307), (1923, 9243), (2133, 8333), (3081, 5769)]