888988443

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{1297}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 1371684864

約数和(自身を除く): 482696421

約数列:

[1, 3, 7, 21, 127, 257, 381, 771, 889, 1297, 1799, 2667, 3891, 5397, 9079, 27237, 32639, 97917, 164719, 228473, 333329, 494157, 685419, 999987, 1153033, 2333303, 3459099, 6999909, 42332783, 126998349, 296329481, 888988443]

約数ペア:

[(1, 888988443), (3, 296329481), (7, 126998349), (21, 42332783), (127, 6999909), (257, 3459099), (381, 2333303), (771, 1153033), (889, 999987), (1297, 685419), (1799, 494157), (2667, 333329), (3891, 228473), (5397, 164719), (9079, 97917), (27237, 32639)]