12968475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 23665152

約数和(自身を除く): 10696677

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 283, 325, 611, 705, 849, 975, 1175, 1415, 1833, 3055, 3525, 3679, 4245, 7075, 9165, 11037, 13301, 15275, 18395, 21225, 39903, 45825, 55185, 66505, 91975, 172913, 199515, 275925, 332525, 518739, 864565, 997575, 2593695, 4322825, 12968475]

約数ペア:

[(1, 12968475), (3, 4322825), (5, 2593695), (13, 997575), (15, 864565), (25, 518739), (39, 332525), (47, 275925), (65, 199515), (75, 172913), (141, 91975), (195, 66505), (235, 55185), (283, 45825), (325, 39903), (611, 21225), (705, 18395), (849, 15275), (975, 13301), (1175, 11037), (1415, 9165), (1833, 7075), (3055, 4245), (3525, 3679)]